Câu hỏi:
26/08/2023 1,047
Question 11-15
A. Old Ice Clues
B. History Repeating Itself.
C. Super Fast Melt
D. Accurate Predictors
E. Fresh Input
When the climate began to warm during the last Ice Age about 23,000 years ago, much of the Northern Hemisphere was covered I in ice.
In two new studies published this week in Nature Geoscience, researchers describe how ice sheets behaved in the past could help scientists better predict what might happen to them in a warmer world of our future.
(11) ___________
University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000 years ago.
“What we found in this paper was that ice that’s resting on land it responded very quickly to the warming climate, but then it didn’t retreat really rapidly. It kind of chugged along and slowly melted like an ice cube if you put a hairdryer on it,” Carlson says, adding that was not the case with ice sheets floating on the ocean. “Marine based ice sheets behave unpredictably. They may not do anything for a while, and then they all of a sudden respond very abruptly. They can rapidly disappear.”
(12) ___________
Greenland and Antarctica hold the Earth’s last remaining ice sheets. In July, satellite data showed that 97 percent of the surface of the Greenland ice sheet had turned to slush over four days, a rate faster than at any time in recorded history. According to Carlson, it might be responding rapidly to small changes in temperature, similar to what he saw in the prehistoric record of ice sheets on land.
A paper in Nature Geoscience looks back 12,000 to 7,000 years to when massive ice sheets still covered the high latitudes of the Northern Hemisphere. At that time, the global climate was roughly comparable to what it is today and glaciers were melting. The study describes abrupt sea level jumps - from one-half to two meters - from melting glaciers.
“What happens when you suddenly drain these massive amounts of fresh water into the ocean? It’s going to change ocean circulation,” says co-author Torbjorn Tornqvist, an Earth scientist at Tulane University in Louisiana. Today, rapid melting from the Greenland ice sheet would send massive amounts of fresh water into the North Atlantic Ocean, changing the marine environment. “But it will also lead to potentially higher precipitation rates in the same region, which could also lead to fresher surface waters in the North Atlantic,” Tornqvist says. “So we need to understand whether those types of changes could potentially be capable of triggering these kinds of abrupt climate events.”
Tornqvist adds that understanding how abrupt climate changes affected Earth’s geologic past can help design climate models that can better predict the future.
When the climate began to warm during the last Ice Age about 23,000 years ago, much of the Northern Hemisphere was covered I in ice.
In two new studies published this week in Nature Geoscience, researchers describe how ice sheets behaved in the past could help scientists better predict what might happen to them in a warmer world of our future.
(11) ___________
University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000 years ago.
Question 11-15
A. Old Ice Clues
B. History Repeating Itself.
C. Super Fast Melt
D. Accurate Predictors
E. Fresh Input
When the climate began to warm during the last Ice Age about 23,000 years ago, much of the Northern Hemisphere was covered I in ice.
In two new studies published this week in Nature Geoscience, researchers describe how ice sheets behaved in the past could help scientists better predict what might happen to them in a warmer world of our future.
(11) ___________
University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000 years ago.
“What we found in this paper was that ice that’s resting on land it responded very quickly to the warming climate, but then it didn’t retreat really rapidly. It kind of chugged along and slowly melted like an ice cube if you put a hairdryer on it,” Carlson says, adding that was not the case with ice sheets floating on the ocean. “Marine based ice sheets behave unpredictably. They may not do anything for a while, and then they all of a sudden respond very abruptly. They can rapidly disappear.”
(12) ___________
Greenland and Antarctica hold the Earth’s last remaining ice sheets. In July, satellite data showed that 97 percent of the surface of the Greenland ice sheet had turned to slush over four days, a rate faster than at any time in recorded history. According to Carlson, it might be responding rapidly to small changes in temperature, similar to what he saw in the prehistoric record of ice sheets on land.
A paper in Nature Geoscience looks back 12,000 to 7,000 years to when massive ice sheets still covered the high latitudes of the Northern Hemisphere. At that time, the global climate was roughly comparable to what it is today and glaciers were melting. The study describes abrupt sea level jumps - from one-half to two meters - from melting glaciers.
“What happens when you suddenly drain these massive amounts of fresh water into the ocean? It’s going to change ocean circulation,” says co-author Torbjorn Tornqvist, an Earth scientist at Tulane University in Louisiana. Today, rapid melting from the Greenland ice sheet would send massive amounts of fresh water into the North Atlantic Ocean, changing the marine environment. “But it will also lead to potentially higher precipitation rates in the same region, which could also lead to fresher surface waters in the North Atlantic,” Tornqvist says. “So we need to understand whether those types of changes could potentially be capable of triggering these kinds of abrupt climate events.”
Tornqvist adds that understanding how abrupt climate changes affected Earth’s geologic past can help design climate models that can better predict the future.
When the climate began to warm during the last Ice Age about 23,000 years ago, much of the Northern Hemisphere was covered I in ice.
In two new studies published this week in Nature Geoscience, researchers describe how ice sheets behaved in the past could help scientists better predict what might happen to them in a warmer world of our future.
(11) ___________
University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000 years ago.
Quảng cáo
Trả lời:
Giải bởi Vietjack
Đáp án đúng là: A
Câu hỏi cùng đoạn
Câu 2:
(12) ___________
Greenland and Antarctica hold the Earth’s last remaining ice sheets. In July, satellite data showed that 97 percent of the surface of the Greenland ice sheet had turned to slush over four days, a rate faster than at any time in recorded history. According to Carlson, it might be responding rapidly to small changes in temperature, similar to what he saw in the prehistoric record of ice sheets on land.
(12) ___________
Greenland and Antarctica hold the Earth’s last remaining ice sheets. In July, satellite data showed that 97 percent of the surface of the Greenland ice sheet had turned to slush over four days, a rate faster than at any time in recorded history. According to Carlson, it might be responding rapidly to small changes in temperature, similar to what he saw in the prehistoric record of ice sheets on land.
Lời giải của GV VietJack
Đáp án đúng là: C
Câu 3:
(13) ___________
A paper in Nature Geoscience looks back 12,000 to 7,000 years to when massive ice sheets still covered the high latitudes of the Northern Hemisphere. At that time, the global climate was roughly comparable to what it is today and glaciers were melting. The study describes abrupt sea level jumps - from one-half to two meters - from melting glaciers.
(13) ___________
A paper in Nature Geoscience looks back 12,000 to 7,000 years to when massive ice sheets still covered the high latitudes of the Northern Hemisphere. At that time, the global climate was roughly comparable to what it is today and glaciers were melting. The study describes abrupt sea level jumps - from one-half to two meters - from melting glaciers.
Lời giải của GV VietJack
Đáp án đúng là: B
Câu 4:
(14) ___________
“What happens when you suddenly drain these massive amounts of fresh water into the ocean? It’s going to change ocean circulation,” says co-author Torbjorn Tornqvist, an Earth scientist at Tulane University in Louisiana. Today, rapid melting from the Greenland ice sheet would send massive amounts of fresh water into the North Atlantic Ocean, changing the marine environment. “But it will also lead to potentially higher precipitation rates in the same region, which could also lead to fresher surface waters in the North Atlantic,” Tornqvist says. “So we need to understand whether those types of changes could potentially be capable of triggering these kinds of abrupt climate events.”
(14) ___________
“What happens when you suddenly drain these massive amounts of fresh water into the ocean? It’s going to change ocean circulation,” says co-author Torbjorn Tornqvist, an Earth scientist at Tulane University in Louisiana. Today, rapid melting from the Greenland ice sheet would send massive amounts of fresh water into the North Atlantic Ocean, changing the marine environment. “But it will also lead to potentially higher precipitation rates in the same region, which could also lead to fresher surface waters in the North Atlantic,” Tornqvist says. “So we need to understand whether those types of changes could potentially be capable of triggering these kinds of abrupt climate events.”
Lời giải của GV VietJack
Đáp án đúng là: E
Câu 5:
(15) ___________
Tornqvist adds that understanding how abrupt climate changes affected Earth’s geologic past can help design climate models that can better predict the future.
(15) ___________
Tornqvist adds that understanding how abrupt climate changes affected Earth’s geologic past can help design climate models that can better predict the future.
Lời giải của GV VietJack
Đáp án đúng là: D
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CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
(1) __________
People travel for many different reasons, such as business and visiting family and friends. When people travel for pleasure, they \ are called tourists. Tourism is the business of encouraging and supporting tourists. Many people go on vacation because they want a break from their everyday lives, or to experience a warmer climate, others enjoy learning about different cultures, tasting new cuisines, and observing different lifestyles.
(1) __________
People travel for many different reasons, such as business and visiting family and friends. When people travel for pleasure, they \ are called tourists. Tourism is the business of encouraging and supporting tourists. Many people go on vacation because they want a break from their everyday lives, or to experience a warmer climate, others enjoy learning about different cultures, tasting new cuisines, and observing different lifestyles.
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26/08/2023
2,844
Câu 2:
(6) __________
As online social networking increasingly replaces real face-to-face and physical contact, alienation can increase, as well as problems such as cyber-bullying, online stalking, and cybercrime, which are related to the anonymity of the internet. Humans are social animals, so a lack of physical contact could lead to depression and anxiety. If we become detached from real-world communications, it will be difficult to be a functioning member of society and interact with others in a professional setting.
(6) __________
As online social networking increasingly replaces real face-to-face and physical contact, alienation can increase, as well as problems such as cyber-bullying, online stalking, and cybercrime, which are related to the anonymity of the internet. Humans are social animals, so a lack of physical contact could lead to depression and anxiety. If we become detached from real-world communications, it will be difficult to be a functioning member of society and interact with others in a professional setting.
Xem đáp án »
26/08/2023
1,067
Câu 3:
As the largest state, New York again supplied the most resources during World War II and suffered 31,215 casualties. The war affected the state both socially and economically. For example, to overcome discriminatory labor practices, Governor Herbert H. Lehman created the Committee on Discrimination in Employment in 1941 and Governor Thomas E. Dewey signed the Ives-Quinn bill in 1945, banning employment discrimination.
(16) __________
The G.l. Bill of 1944, which offered returning soldiers the opportunity of affordable higher education, forced New York to create a public university system since its private universities could not handle the influx; the state University of New York was created by Governor Dewey in 1948.
As the largest state, New York again supplied the most resources during World War II and suffered 31,215 casualties. The war affected the state both socially and economically. For example, to overcome discriminatory labor practices, Governor Herbert H. Lehman created the Committee on Discrimination in Employment in 1941 and Governor Thomas E. Dewey signed the Ives-Quinn bill in 1945, banning employment discrimination.
(16) __________
The G.l. Bill of 1944, which offered returning soldiers the opportunity of affordable higher education, forced New York to create a public university system since its private universities could not handle the influx; the state University of New York was created by Governor Dewey in 1948.
Xem đáp án »
26/08/2023
855
Câu 4:
(2) _______
Some tourism involves traveling far away, to another region or country. People go to different countries to do activities such as skiing or hiking. Some tourism involves traveling to a place of interest, such as a museum, that is nearby. This type of travel is called an outing, or day trip.
(2) _______
Some tourism involves traveling far away, to another region or country. People go to different countries to do activities such as skiing or hiking. Some tourism involves traveling to a place of interest, such as a museum, that is nearby. This type of travel is called an outing, or day trip.
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26/08/2023
0
Câu 5:
(3) ___________
It is easier now than ever before for people to travel for pleasure. Most employees are given time off from work so they can go on vacation. They may also receive wages to cover the time they are away. Companies involved in tourism have made it easy for people to book a break by creating package vacations. Modern communication systems, especially the Internet, have made it simple for people to research and book their vacations. Transportation systems are also more advanced now than at any time in the past. People can fly, drive, or take a train or boat to destinations all around the world.
(3) ___________
It is easier now than ever before for people to travel for pleasure. Most employees are given time off from work so they can go on vacation. They may also receive wages to cover the time they are away. Companies involved in tourism have made it easy for people to book a break by creating package vacations. Modern communication systems, especially the Internet, have made it simple for people to research and book their vacations. Transportation systems are also more advanced now than at any time in the past. People can fly, drive, or take a train or boat to destinations all around the world.
Xem đáp án »
26/08/2023
0
Câu 6:
(4) _________
Tourists bring a lot of money to the place they are visiting, so they are good for a nation’s wealth, or economy. Money from tourism can be used to build hospitals and schools, and the industry provides employment. Many countries promote tourism by developing areas that will attract visitors. This development sometimes causes concern from environmentalists and local residen.
(4) _________
Tourists bring a lot of money to the place they are visiting, so they are good for a nation’s wealth, or economy. Money from tourism can be used to build hospitals and schools, and the industry provides employment. Many countries promote tourism by developing areas that will attract visitors. This development sometimes causes concern from environmentalists and local residen.
Xem đáp án »
26/08/2023
0
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