Question 1

According to the Intergovernmental Panel on Climate Control (IPCC) , what is expected to decrease in the 21st century?

Accepted Answer

A)   sea level
B)   sea surface temperatures
C)   CO2 levels
D)   biodiversity
E)   variability of Asian summer monsoonsF) C) and D)
G) B) and E) D

Question 2

Isotopes of Carbon found in gas bubbles from ice cores are used to measure Earth's past temperature record.

Accepted Answer

A) True 
 B)False

Question 3

Increasing temperatures of earth's surface and lower atmosphere provide strong evidence that global warming is happening right now. This evidence includes all of the following except:

Accepted Answer

A)   Average earth temperature from land areas and global shipping lanes indicate that average Earth temperature increased 0.74 degrees Celsius during the 20th century.
B)   Half of the increase in Earth's average temperature from the 20th century increased during its last 30 years.
C)   Nine of the ten years during the first decade of the 21st Century were in the top 10 warmest years of a 160-year-long record.
D)   Earth's present average temperature is the warmest it has been since 1400, which is as far back as we can go with certainty by direct and indirect evidence.
E)   During the recent increase in Earth's temperature the greatest amount of warming occurred during the day near the equator.F) B) and E)
G) D) and E)

Question 4

What is the name given to a coastal glacial valley that has been drowned by the sea?

Accepted Answer

A)   bay
B)   bergschrund
C)   fjord
D)   Neptunian valley
E)   submarine canyonF) A) and B)
G) B) and E)

Question 5

The blizzards and subzero, bone-chilling cold over Eastern Europe and Russia in February 2012 have been attributed to

Accepted Answer

A)   an increase in the ice at the north pole.
B)   a cooling of Earth's climate.
C)   a negative arctic oscillation.
D)   warmer conditions over Antarctica.
E)   less atmospheric moisture being availableF) B) and E)
G) B) and D)

Question 6

A kettle lake forms in mountainous areas due to glacial erosion.

Accepted Answer

A) True 
 B)False

Question 7

When burning coal to generate electricity, installing carbon dioxide scrubbers is the least costly way to implement carbon capture and sequestration.

Accepted Answer

A) True 
 B)False

Question 8

What percent of the world's energy comes from burning fossil fuels?

Accepted Answer

A)   less than 50%
B)   50% to 60%
C)   60% to 70%
D)   70% to 80%
E)   more that 80%F) B) and C)
G) C) and E)

Question 9

Melting of the north polar ice cap has resulted in an increase in sea level of 20 cm since 1880.

Accepted Answer

A) True 
 B)False

Question 10

The ice of a glacier that is retreating is still moving forward.

Accepted Answer

A) True 
 B)False

Question 11

According to the Oregon energy office, which of the following actions will bring about the greatest reduction in CO2 in pounds per year?

Accepted Answer

A)   Insulate your home, install water-saver showerheads, and clean and tune your furnace.
B)   Buy a fuel-efficient automobile with a rating of at least 32 mpg to replace your most-used car.
C)   Do not drive your car two days a week.
D)   Replace your refrigerator with a high-efficiency model.
E)   Replace your washing machine with a low-water-use, low-energy model.F) None of the above
G) B) and E)

Question 12

Sea-floor sediments indicate more climate fluctuations during the Pleistocene than is indicated by land deposits.

Accepted Answer

A) True 
 B)False

Question 13

According to the United Nations what estimated percentage of all energy-related CO2 emissions will developing countries be responsible for by the year 2025?

Accepted Answer

A)   30%
B)   40%
C)   50%
D)   60%
E)   70%F) D) and E)
G) C) and D)

Question 14

North America and Eurasia enjoyed at least four major glacial stages during the most recent Ice Age.

Accepted Answer

A) True 
 B)False

Question 15

Ice core data show that atmospheric CO2 concentrations were higher during each of the major glacial periods and lower during the warmer interglacial periods.

Accepted Answer

A) True 
 B)False

Question 16

Judge the following sentence according to the criteria given below: The decline of glacial ice in alpine and ice-cap glaciers from mid- and low-latitudes is not significant BECAUSE only very few glaciers have been surveyed.

Accepted Answer

A)   The assertion and the reason are both correct, and the reason is valid.
B)   The assertion and the reason are both correct, but the reason is invalid.
C)   The assertion is correct, but the reason is incorrect.
D)   The assertion is incorrect, but the reason is correct.
E)   Both the assertion and the reason are incorrect.F) All of the above
G) B) and C) E

Question 17

Most of the mass of a glacier behaves fluidly.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following geoengineering techniques involves injecting large amounts of sulfur dioxide aerosols into the stratosphere?

Accepted Answer

A)   fertilizing the ocean
B)   carbon capture and sequestration
C)   solar radiation management
D)   large-scale forestation
E)   atmospheric capture of CO2F) C) and D)
G) D) and E)

Question 19

What are the proposed geoengineering techniques to lower greenhouse gas concentrations in the atmosphere?

Accepted Answer

The geoengineering techniques include carbon capture and sequestration, atmospheric capture of carbon dioxide, large-scale forestation, fertilizing the ocean, and solar radiation management.

Question 20

How does the principle of isostatic rebound apply to Hudson Bay?

Accepted Answer

Hudson Bay was the center of the North A...

Exam 11: Glaciation and Long-Term Climate Change

According to the Intergovernmental Panel on Climate Control (IPCC) , what is expected to decrease in the 21st century?

Correct AnswerverifiedD

Isotopes of Carbon found in gas bubbles from ice cores are used to measure Earth's past temperature record.

Correct AnswerverifiedShow Answer

Increasing temperatures of earth's surface and lower atmosphere provide strong evidence that global warming is happening right now. This evidence includes all of the following except:

Correct AnswerverifiedShow Answer

What is the name given to a coastal glacial valley that has been drowned by the sea?

Correct AnswerverifiedShow Answer

The blizzards and subzero, bone-chilling cold over Eastern Europe and Russia in February 2012 have been attributed to

Correct AnswerverifiedShow Answer

A kettle lake forms in mountainous areas due to glacial erosion.

Correct AnswerverifiedShow Answer

When burning coal to generate electricity, installing carbon dioxide scrubbers is the least costly way to implement carbon capture and sequestration.

Correct AnswerverifiedShow Answer

What percent of the world's energy comes from burning fossil fuels?

Correct AnswerverifiedShow Answer

Melting of the north polar ice cap has resulted in an increase in sea level of 20 cm since 1880.

Correct AnswerverifiedShow Answer

The ice of a glacier that is retreating is still moving forward.

Correct AnswerverifiedShow Answer

According to the Oregon energy office, which of the following actions will bring about the greatest reduction in CO2 in pounds per year?

Correct AnswerverifiedShow Answer

Sea-floor sediments indicate more climate fluctuations during the Pleistocene than is indicated by land deposits.

Correct AnswerverifiedShow Answer

According to the United Nations what estimated percentage of all energy-related CO2 emissions will developing countries be responsible for by the year 2025?

Correct AnswerverifiedShow Answer

North America and Eurasia enjoyed at least four major glacial stages during the most recent Ice Age.

Correct AnswerverifiedShow Answer

Ice core data show that atmospheric CO2 concentrations were higher during each of the major glacial periods and lower during the warmer interglacial periods.

Correct AnswerverifiedShow Answer

Judge the following sentence according to the criteria given below: The decline of glacial ice in alpine and ice-cap glaciers from mid- and low-latitudes is not significant BECAUSE only very few glaciers have been surveyed.

Correct AnswerverifiedE

Most of the mass of a glacier behaves fluidly.

Correct AnswerverifiedShow Answer

Which of the following geoengineering techniques involves injecting large amounts of sulfur dioxide aerosols into the stratosphere?

Correct AnswerverifiedShow Answer

What are the proposed geoengineering techniques to lower greenhouse gas concentrations in the atmosphere?

Correct AnswerverifiedThe geoengineering techniques include carbon capture and sequestration, atmospheric capture of carbon dioxide, large-scale forestation, fertilizing the ocean, and solar radiation management.

How does the principle of isostatic rebound apply to Hudson Bay?

Correct AnswerverifiedHudson Bay was the center of the North A...View AnswerShow Answer

According to the Intergovernmental Panel on Climate Control (IPCC) , what is expected to decrease in the 21^st century?

Correct Answer
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According to the Oregon energy office, which of the following actions will bring about the greatest reduction in CO₂ in pounds per year?

Correct Answer
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Correct Answer
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According to the United Nations what estimated percentage of all energy-related CO₂ emissions will developing countries be responsible for by the year 2025?

Correct Answer
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Ice core data show that atmospheric CO₂ concentrations were higher during each of the major glacial periods and lower during the warmer interglacial periods.

Correct Answer
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E

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The geoengineering techniques include carbon capture and sequestration, atmospheric capture of carbon dioxide, large-scale forestation, fertilizing the ocean, and solar radiation management.

Correct Answer
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Hudson Bay was the center of the North A...
View Answer