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What is the tallest building in Uptown Houston? | <text>What is the tallest building in Uptown Houston?</text><reasoning>Centered on Post Oak Boulevard and Westheimer Road, the Uptown District boomed during the 1970s and early 1980s when a collection of mid-rise office buildings, hotels, and retail developments appeared along Interstate 610 west. Uptown became one of ... |
How many square feet of office space did Houston have in Uptown in 2002? | <text>How many square feet of office space did Houston have in Uptown in 2002?</text><reasoning>Centered on Post Oak Boulevard and Westheimer Road, the Uptown District boomed during the 1970s and early 1980s when a collection of mid-rise office buildings, hotels, and retail developments appeared along Interstate 610 we... |
Until 1999 what was the Williams Tower known as? | <text>Until 1999 what was the Williams Tower known as?</text><reasoning>Centered on Post Oak Boulevard and Westheimer Road, the Uptown District boomed during the 1970s and early 1980s when a collection of mid-rise office buildings, hotels, and retail developments appeared along Interstate 610 west. Uptown became one of... |
What was copper called in Greece? | <text>What was copper called in Greece?</text><reasoning>In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where... |
In what area was copper first mined? | <text>In what area was copper first mined?</text><reasoning>In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, wh... |
What is the Greek goddess that symbolizes copper? | <text>What is the Greek goddess that symbolizes copper?</text><reasoning>In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium fr... |
What is the Roman goddess that symbolizes copper? | <text>What is the Roman goddess that symbolizes copper?</text><reasoning>In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium fr... |
What property does copper have that links it to Aphrodite and Venus? | <text>What property does copper have that links it to Aphrodite and Venus?</text><reasoning>In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper al... |
What property of copper increases the efficiency of electrical motors? | <text>What property of copper increases the efficiency of electrical motors?</text><reasoning>Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69%... |
What percentage of electrical consumption does motor systems use globally? | <text>What percentage of electrical consumption does motor systems use globally?</text><reasoning>Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and... |
What percentage of electrical consumption does motor systems use in industry? | <text>What percentage of electrical consumption does motor systems use in industry?</text><reasoning>Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption ... |
What does the acronym NEMA stand for? | <text>What does the acronym NEMA stand for?</text><reasoning>Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by indus... |
By using copper motor rotor technology it is allowing industry to exceed what standards? | <text>By using copper motor rotor technology it is allowing industry to exceed what standards?</text><reasoning>Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity c... |
What are gender identity, ethnic identity, and occupational identity aspects of? | <text>What are gender identity, ethnic identity, and occupational identity aspects of?</text><reasoning>The inclusiveness of Weinreich's definition (above) directs attention to the totality of one's identity at a given phase in time, and assists in elucidating component aspects of one's total identity, such as one's ge... |
How one construes oneself now and in the future differs considerably because of what 2 things? | <text>How one construes oneself now and in the future differs considerably because of what 2 things?</text><reasoning>The inclusiveness of Weinreich's definition (above) directs attention to the totality of one's identity at a given phase in time, and assists in elucidating component aspects of one's total identity, su... |
The young child, the adolescent, the young adult and the older adult are phases of what? | <text>The young child, the adolescent, the young adult and the older adult are phases of what?</text><reasoning>The inclusiveness of Weinreich's definition (above) directs attention to the totality of one's identity at a given phase in time, and assists in elucidating component aspects of one's total identity, such as ... |
The salient experiential markers one uses to define one's past self differ based on the age that one was at what? | <text>The salient experiential markers one uses to define one's past self differ based on the age that one was at what?</text><reasoning>The inclusiveness of Weinreich's definition (above) directs attention to the totality of one's identity at a given phase in time, and assists in elucidating component aspects of one's... |
What metal is used most often in electrical wiring? | <text>What metal is used most often in electrical wiring?</text><reasoning>Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Cop... |
What is the most important market for copper today? | <text>What is the most important market for copper today?</text><reasoning>Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Cop... |
How much of mined copper is used for cables and electrical wiring? | <text>How much of mined copper is used for cables and electrical wiring?</text><reasoning>Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often... |
What metal are most overhead electrical wires made out of? | <text>What metal are most overhead electrical wires made out of?</text><reasoning>Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferr... |
What is one property of copper that makes it so useful in electrical wiring? | <text>What is one property of copper that makes it so useful in electrical wiring?</text><reasoning>Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminiu... |
What are copper compounds in liquid form used for? | <text>What are copper compounds in liquid form used for?</text><reasoning>Copper compounds in liquid form are used as a wood preservative, particularly in treating original portion of structures during restoration of damage due to dry rot. Together with zinc, copper wires may be placed over non-conductive roofing mater... |
What function does copper serve when used in textile fibers? | <text>What function does copper serve when used in textile fibers?</text><reasoning>Copper compounds in liquid form are used as a wood preservative, particularly in treating original portion of structures during restoration of damage due to dry rot. Together with zinc, copper wires may be placed over non-conductive roo... |
How is copper used with nickel? | <text>How is copper used with nickel?</text><reasoning>Copper compounds in liquid form are used as a wood preservative, particularly in treating original portion of structures during restoration of damage due to dry rot. Together with zinc, copper wires may be placed over non-conductive roofing materials to discourage ... |
What is used to treat structures for dry rot? | <text>What is used to treat structures for dry rot?</text><reasoning>Copper compounds in liquid form are used as a wood preservative, particularly in treating original portion of structures during restoration of damage due to dry rot. Together with zinc, copper wires may be placed over non-conductive roofing materials ... |
What did Romans use as money in the 6th through 3rd centuriesBC? | <text>What did Romans use as money in the 6th through 3rd centuriesBC?</text><reasoning>The cultural role of copper has been important, particularly in currency. Romans in the 6th through 3rd centuries BC used copper lumps as money. At first, the copper itself was valued, but gradually the shape and look of the copper ... |
What became more important than the copper value for Roman coins? | <text>What became more important than the copper value for Roman coins?</text><reasoning>The cultural role of copper has been important, particularly in currency. Romans in the 6th through 3rd centuries BC used copper lumps as money. At first, the copper itself was valued, but gradually the shape and look of the copper... |
Who had his own coins produced out of brass? | <text>Who had his own coins produced out of brass?</text><reasoning>The cultural role of copper has been important, particularly in currency. Romans in the 6th through 3rd centuries BC used copper lumps as money. At first, the copper itself was valued, but gradually the shape and look of the copper became more importan... |
During the 6th through 3rd centuries BC how much copper was mined in Rome? | <text>During the 6th through 3rd centuries BC how much copper was mined in Rome?</text><reasoning>The cultural role of copper has been important, particularly in currency. Romans in the 6th through 3rd centuries BC used copper lumps as money. At first, the copper itself was valued, but gradually the shape and look of t... |
Cctavianus Augustus Caesar had his coins made out of what alloys? | <text>Cctavianus Augustus Caesar had his coins made out of what alloys?</text><reasoning>The cultural role of copper has been important, particularly in currency. Romans in the 6th through 3rd centuries BC used copper lumps as money. At first, the copper itself was valued, but gradually the shape and look of the copper... |
Whose definition of identity closely follows Erikson's? | <text>Whose definition of identity closely follows Erikson's?</text><reasoning>Laing's definition of identity closely follows Erikson's, in emphasising the past, present and future components of the experienced self. He also develops the concept of the "metaperspective of self", i.e. the self's perception of the other'... |
One person's perception of another's perception is an example of what concept? | <text>One person's perception of another's perception is an example of what concept?</text><reasoning>Laing's definition of identity closely follows Erikson's, in emphasising the past, present and future components of the experienced self. He also develops the concept of the "metaperspective of self", i.e. the self's p... |
The person, aspects of self, and personal characteristics displayed to others are components of what? | <text>The person, aspects of self, and personal characteristics displayed to others are components of what?</text><reasoning>Laing's definition of identity closely follows Erikson's, in emphasising the past, present and future components of the experienced self. He also develops the concept of the "metaperspective of s... |
What group of the periodic table is copper in? | <text>What group of the periodic table is copper in?</text><reasoning>Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-s... |
Name a property that copper, silver and gold have in common. | <text>Name a property that copper, silver and gold have in common.</text><reasoning>Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. ... |
What makes copper bondings weaker than other metals? | <text>What makes copper bondings weaker than other metals?</text><reasoning>Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The fill... |
How is copper normally supplied? | <text>How is copper normally supplied?</text><reasoning>Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these... |
What is a weaker form of copper than fine-grained polycrystalline? | <text>What is a weaker form of copper than fine-grained polycrystalline?</text><reasoning>Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conducti... |
What percent of copper is recyclable? | <text>What percent of copper is recyclable?</text><reasoning>Like aluminium, copper is 100% recyclable without any loss of quality, regardless of whether it is in a raw state or contained in a manufactured product. In volume, copper is the third most recycled metal after iron and aluminium. It is estimated that 80% of ... |
What percentage of copper that has been mined is still being used today? | <text>What percentage of copper that has been mined is still being used today?</text><reasoning>Like aluminium, copper is 100% recyclable without any loss of quality, regardless of whether it is in a raw state or contained in a manufactured product. In volume, copper is the third most recycled metal after iron and alum... |
What other metal besides copper is 100% recyclable? | <text>What other metal besides copper is 100% recyclable?</text><reasoning>Like aluminium, copper is 100% recyclable without any loss of quality, regardless of whether it is in a raw state or contained in a manufactured product. In volume, copper is the third most recycled metal after iron and aluminium. It is estimate... |
Name a metal that is recycled more often than copper? | <text>Name a metal that is recycled more often than copper?</text><reasoning>Like aluminium, copper is 100% recyclable without any loss of quality, regardless of whether it is in a raw state or contained in a manufactured product. In volume, copper is the third most recycled metal after iron and aluminium. It is estima... |
What is the amount of copper in use, per capita, globally? | <text>What is the amount of copper in use, per capita, globally?</text><reasoning>Like aluminium, copper is 100% recyclable without any loss of quality, regardless of whether it is in a raw state or contained in a manufactured product. In volume, copper is the third most recycled metal after iron and aluminium. It is e... |
Who used copper to produce art? | <text>Who used copper to produce art?</text><reasoning>The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christo... |
What is the photographic technology that uses copper called? | <text>What is the photographic technology that uses copper called?</text><reasoning>The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was wid... |
What famous NY city landmark is made from copper? | <text>What famous NY city landmark is made from copper?</text><reasoning>The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; th... |
What famous explorers ships was one of the first to have it's hulls made of copper? | <text>What famous explorers ships was one of the first to have it's hulls made of copper?</text><reasoning>The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing f... |
When did The Norddeutsche Affinerie electroplating plant first begin production? | <text>When did The Norddeutsche Affinerie electroplating plant first begin production?</text><reasoning>The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ... |
What is the square mile area of Houston? | <text>What is the square mile area of Houston?</text><reasoning>According to the United States Census Bureau, the city has a total area of 656.3 square miles (1,700 km2); this comprises 634.0 square miles (1,642 km2) of land and 22.3 square miles (58 km2) of water. The Piney Woods is north of Houston. Most of Houston i... |
How much of Houston's total area is water? | <text>How much of Houston's total area is water?</text><reasoning>According to the United States Census Bureau, the city has a total area of 656.3 square miles (1,700 km2); this comprises 634.0 square miles (1,642 km2) of land and 22.3 square miles (58 km2) of water. The Piney Woods is north of Houston. Most of Houston... |
In what topography is Houston located? | <text>In what topography is Houston located?</text><reasoning>According to the United States Census Bureau, the city has a total area of 656.3 square miles (1,700 km2); this comprises 634.0 square miles (1,642 km2) of land and 22.3 square miles (58 km2) of water. The Piney Woods is north of Houston. Most of Houston is ... |
How is the vegetation of the area classified? | <text>How is the vegetation of the area classified?</text><reasoning>According to the United States Census Bureau, the city has a total area of 656.3 square miles (1,700 km2); this comprises 634.0 square miles (1,642 km2) of land and 22.3 square miles (58 km2) of water. The Piney Woods is north of Houston. Most of Hous... |
What kind of weather event is a recurring problem for Houston? | <text>What kind of weather event is a recurring problem for Houston?</text><reasoning>According to the United States Census Bureau, the city has a total area of 656.3 square miles (1,700 km2); this comprises 634.0 square miles (1,642 km2) of land and 22.3 square miles (58 km2) of water. The Piney Woods is north of Hous... |
When did Britain first use brass? | <text>When did Britain first use brass?</text><reasoning>Britain's first use of brass occurred around the 3rd–2nd century BC. In North America, copper mining began with marginal workings by Native Americans. Native copper is known to have been extracted from sites on Isle Royale with primitive stone tools between 800 a... |
Who were the first copper miners in North America? | <text>Who were the first copper miners in North America?</text><reasoning>Britain's first use of brass occurred around the 3rd–2nd century BC. In North America, copper mining began with marginal workings by Native Americans. Native copper is known to have been extracted from sites on Isle Royale with primitive stone to... |
Where was native copper extracted with primitive tools between 800 and 1600? | <text>Where was native copper extracted with primitive tools between 800 and 1600?</text><reasoning>Britain's first use of brass occurred around the 3rd–2nd century BC. In North America, copper mining began with marginal workings by Native Americans. Native copper is known to have been extracted from sites on Isle Roya... |
What country had a strong copper production in 1000 AD | <text>What country had a strong copper production in 1000 AD</text><reasoning>Britain's first use of brass occurred around the 3rd–2nd century BC. In North America, copper mining began with marginal workings by Native Americans. Native copper is known to have been extracted from sites on Isle Royale with primitive ston... |
When did commercial production of copper begin? | <text>When did commercial production of copper begin?</text><reasoning>Britain's first use of brass occurred around the 3rd–2nd century BC. In North America, copper mining began with marginal workings by Native Americans. Native copper is known to have been extracted from sites on Isle Royale with primitive stone tools... |
What was Houston's gross domestic product in 2012? | <text>What was Houston's gross domestic product in 2012?</text><reasoning>The Houston–The Woodlands–Sugar Land MSA's gross domestic product (GDP) in 2012 was $489 billion, making it the fourth-largest of any metropolitan area in the United States and larger than Austria's, Venezuela's, or South Africa's GDP. Only 26 co... |
Where in the rankings does Houston's gross domestic product place it compared to other U.S. domestic areas? | <text>Where in the rankings does Houston's gross domestic product place it compared to other U.S. domestic areas?</text><reasoning>The Houston–The Woodlands–Sugar Land MSA's gross domestic product (GDP) in 2012 was $489 billion, making it the fourth-largest of any metropolitan area in the United States and larger than ... |
How many other countries have a gross domestic product exceeding Houston's? | <text>How many other countries have a gross domestic product exceeding Houston's?</text><reasoning>The Houston–The Woodlands–Sugar Land MSA's gross domestic product (GDP) in 2012 was $489 billion, making it the fourth-largest of any metropolitan area in the United States and larger than Austria's, Venezuela's, or South... |
How much did oil and gas exploration and production make up Houston's gross product? | <text>How much did oil and gas exploration and production make up Houston's gross product?</text><reasoning>The Houston–The Woodlands–Sugar Land MSA's gross domestic product (GDP) in 2012 was $489 billion, making it the fourth-largest of any metropolitan area in the United States and larger than Austria's, Venezuela's,... |
Under what category does oil and gas exploration fall? | <text>Under what category does oil and gas exploration fall?</text><reasoning>The Houston–The Woodlands–Sugar Land MSA's gross domestic product (GDP) in 2012 was $489 billion, making it the fourth-largest of any metropolitan area in the United States and larger than Austria's, Venezuela's, or South Africa's GDP. Only 2... |
What are copper salts sometimes used for? | <text>What are copper salts sometimes used for?</text><reasoning>Gram quantities of various copper salts have been taken in suicide attempts and produced acute copper toxicity in humans, possibly due to redox cycling and the generation of reactive oxygen species that damage DNA. Corresponding amounts of copper salts (3... |
When ingested in large amounts what does copper salts produce in humans? | <text>When ingested in large amounts what does copper salts produce in humans?</text><reasoning>Gram quantities of various copper salts have been taken in suicide attempts and produced acute copper toxicity in humans, possibly due to redox cycling and the generation of reactive oxygen species that damage DNA. Correspon... |
What is the minimum amount of copper rabbits should have in their diet? | <text>What is the minimum amount of copper rabbits should have in their diet?</text><reasoning>Gram quantities of various copper salts have been taken in suicide attempts and produced acute copper toxicity in humans, possibly due to redox cycling and the generation of reactive oxygen species that damage DNA. Correspond... |
What is a major benefit to rabbits having a higher concentration of copper in their diet? | <text>What is a major benefit to rabbits having a higher concentration of copper in their diet?</text><reasoning>Gram quantities of various copper salts have been taken in suicide attempts and produced acute copper toxicity in humans, possibly due to redox cycling and the generation of reactive oxygen species that dama... |
What amount of copper salt is toxic in animals? | <text>What amount of copper salt is toxic in animals?</text><reasoning>Gram quantities of various copper salts have been taken in suicide attempts and produced acute copper toxicity in humans, possibly due to redox cycling and the generation of reactive oxygen species that damage DNA. Corresponding amounts of copper sa... |
In what form is copper extracted? | <text>In what form is copper extracted?</text><reasoning>Most copper is mined or extracted as copper sulfides from large open pit mines in porphyry copper deposits that contain 0.4 to 1.0% copper. Examples include Chuquicamata in Chile, Bingham Canyon Mine in Utah, United States and El Chino Mine in New Mexico, United ... |
From what types of mines is copper extracted? | <text>From what types of mines is copper extracted?</text><reasoning>Most copper is mined or extracted as copper sulfides from large open pit mines in porphyry copper deposits that contain 0.4 to 1.0% copper. Examples include Chuquicamata in Chile, Bingham Canyon Mine in Utah, United States and El Chino Mine in New Mex... |
What percentage of copper do the deposits have that are extracted? | <text>What percentage of copper do the deposits have that are extracted?</text><reasoning>Most copper is mined or extracted as copper sulfides from large open pit mines in porphyry copper deposits that contain 0.4 to 1.0% copper. Examples include Chuquicamata in Chile, Bingham Canyon Mine in Utah, United States and El ... |
What country was the top producer of copper in 2005? | <text>What country was the top producer of copper in 2005?</text><reasoning>Most copper is mined or extracted as copper sulfides from large open pit mines in porphyry copper deposits that contain 0.4 to 1.0% copper. Examples include Chuquicamata in Chile, Bingham Canyon Mine in Utah, United States and El Chino Mine in ... |
What is the name of the process being considered in Arizona that allows copper to be recovered? | <text>What is the name of the process being considered in Arizona that allows copper to be recovered?</text><reasoning>Most copper is mined or extracted as copper sulfides from large open pit mines in porphyry copper deposits that contain 0.4 to 1.0% copper. Examples include Chuquicamata in Chile, Bingham Canyon Mine i... |
When was copper first known to have been used? | <text>When was copper first known to have been used?</text><reasoning>Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant w... |
In what area is the first recorded use of copper? | <text>In what area is the first recorded use of copper?</text><reasoning>Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendan... |
When was copper thought to have been discovered in China? | <text>When was copper thought to have been discovered in China?</text><reasoning>Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a coppe... |
Copper smelting resulted in the development of what other metal smelting? | <text>Copper smelting resulted in the development of what other metal smelting?</text><reasoning>Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Midd... |
How many isotopes are there of copper? | <text>How many isotopes are there of copper?</text><reasoning>There are 29 isotopes of copper. 63Cu and 65Cu are stable, with 63Cu comprising approximately 69% of naturally occurring copper; they both have a spin of 3⁄2. The other isotopes are radioactive, with the most stable being 67Cu with a half-life of 61.83 hours... |
What are the two stable isotopes of cooper? | <text>What are the two stable isotopes of cooper?</text><reasoning>There are 29 isotopes of copper. 63Cu and 65Cu are stable, with 63Cu comprising approximately 69% of naturally occurring copper; they both have a spin of 3⁄2. The other isotopes are radioactive, with the most stable being 67Cu with a half-life of 61.83 ... |
Which isotope makes up about 69% of natural copper? | <text>Which isotope makes up about 69% of natural copper?</text><reasoning>There are 29 isotopes of copper. 63Cu and 65Cu are stable, with 63Cu comprising approximately 69% of naturally occurring copper; they both have a spin of 3⁄2. The other isotopes are radioactive, with the most stable being 67Cu with a half-life o... |
What is the half life of the copper isotope 68mCu? | <text>What is the half life of the copper isotope 68mCu?</text><reasoning>There are 29 isotopes of copper. 63Cu and 65Cu are stable, with 63Cu comprising approximately 69% of naturally occurring copper; they both have a spin of 3⁄2. The other isotopes are radioactive, with the most stable being 67Cu with a half-life of... |
What is the half life of the copper isotope 67Cu? | <text>What is the half life of the copper isotope 67Cu?</text><reasoning>There are 29 isotopes of copper. 63Cu and 65Cu are stable, with 63Cu comprising approximately 69% of naturally occurring copper; they both have a spin of 3⁄2. The other isotopes are radioactive, with the most stable being 67Cu with a half-life of ... |
What started about 4000 years after copper smelting was discovered? | <text>What started about 4000 years after copper smelting was discovered?</text><reasoning>Alloying copper with tin to make bronze was first practiced about 4000 years after the discovery of copper smelting, and about 2000 years after "natural bronze" had come into general use[citation needed]. Bronze artifacts from th... |
What are the first datings of Bronze artifacts from the Vinca culture? | <text>What are the first datings of Bronze artifacts from the Vinca culture?</text><reasoning>Alloying copper with tin to make bronze was first practiced about 4000 years after the discovery of copper smelting, and about 2000 years after "natural bronze" had come into general use[citation needed]. Bronze artifacts from... |
When did the Bronze Age began in Southeastern Europe? | <text>When did the Bronze Age began in Southeastern Europe?</text><reasoning>Alloying copper with tin to make bronze was first practiced about 4000 years after the discovery of copper smelting, and about 2000 years after "natural bronze" had come into general use[citation needed]. Bronze artifacts from the Vinča cultur... |
What was the transition between the Neolithic period and the bronze age called? | <text>What was the transition between the Neolithic period and the bronze age called?</text><reasoning>Alloying copper with tin to make bronze was first practiced about 4000 years after the discovery of copper smelting, and about 2000 years after "natural bronze" had come into general use[citation needed]. Bronze artif... |
What is an alloy of copper and zinc? | <text>What is an alloy of copper and zinc?</text><reasoning>Alloying copper with tin to make bronze was first practiced about 4000 years after the discovery of copper smelting, and about 2000 years after "natural bronze" had come into general use[citation needed]. Bronze artifacts from the Vinča culture date to 4500 BC... |
What materials are underpinning the land surface of Houston? | <text>What materials are underpinning the land surface of Houston?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mountains. These sedi... |
Houston's geology was formed from river deposits from the erosion of what mountains? | <text>Houston's geology was formed from river deposits from the erosion of what mountains?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Roc... |
The sand and clay deposited onto decaying marine matter transformed into what? | <text>The sand and clay deposited onto decaying marine matter transformed into what?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mou... |
What is halite? | <text>What is halite?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mountains. These sediments consist of a series of sands and clays ... |
What type of farming is Houston's surface soil good for? | <text>What type of farming is Houston's surface soil good for?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mountains. These sediment... |
Besides sands, what are the foundations of Houston's land? | <text>Besides sands, what are the foundations of Houston's land?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mountains. These sedime... |
How deep are the clay and sands foundations of Houston? | <text>How deep are the clay and sands foundations of Houston?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mountains. These sediments... |
What geological event caused the foundations of the land beneath Houston? | <text>What geological event caused the foundations of the land beneath Houston?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mountain... |
What agricultural crop was farmed in the rich soils on the outlying areas of Houston? | <text>What agricultural crop was farmed in the rich soils on the outlying areas of Houston?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Ro... |
What did the decaying organics under the clay and sand deposits later form? | <text>What did the decaying organics under the clay and sand deposits later form?</text><reasoning>Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mounta... |
What is the alloy of copper and nickel called? | <text>What is the alloy of copper and nickel called?</text><reasoning>The alloy of copper and nickel, called cupronickel, is used in low-denomination coins, often for the outer cladding. The US 5-cent coin called a nickel consists of 75% copper and 25% nickel and has a homogeneous composition. The alloy consisting of 9... |
what is the alloy of copper and nickel used for? | <text>what is the alloy of copper and nickel used for?</text><reasoning>The alloy of copper and nickel, called cupronickel, is used in low-denomination coins, often for the outer cladding. The US 5-cent coin called a nickel consists of 75% copper and 25% nickel and has a homogeneous composition. The alloy consisting of... |
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