Question 1

Stratospheric ozone:

Accepted Answer

A)   is a pollutant.
B)   is composed of nitrogen.
C)   has been decreasing for several decades.
D)   is thinning because of sulfur oxide pollution.
E)   absorbs all of the incoming ultraviolet radiation from the sun.

Question 2

A situation in which a change in some conditions triggers a response that counteracts, or reverses, the changed condition is called

Accepted Answer

A)   the second law of thermodynamics.
B)   positive feedback.
C)   negative feedback.
D)   thermoregulation.
E)   the Gaia hypothesis.

Question 3

Which of the following activities is responsible for the largest percentage of human-made carbon dioxide emissions?

Accepted Answer

A)   burning fossil fuels
B)   deforestation
C)   ozone depletion
D)   acid deposition
E)   agriculture

Question 4

The 2003 movie "The Day After Tomorrow" portrayed the possible effects of humans ignoring the warning signs of global climate change. Temperature sensors in the oceans sent the immediate signals that things were in the process of changing rapidly. How plausible was this scenario in light of what we know about climate change?

Accepted Answer

The movie opens with scientists seeing f...

Question 5

Which of the following ecosystems are NOT considered at greatest risk of loss of species in the short term?

Accepted Answer

A)   polar seas
B)   coral reefs
C)   tundra
D)   temperate forests
E)   coastal wetlands

Question 6

The international treaty which provides operational rules on reducing greenhouse gas emissions is called

Accepted Answer

A)   Kyoto Protocol.
B)   Montreal Protocol.
C)   IPCC Protocol.
D)   Mount Pinatubo Protocol.
E)   The enhanced greenhouse effect.

Question 7

Studies documenting the arrival of spring and fall in the Northern Hemisphere are based on:

Accepted Answer

A)   average daily temperatures as measured at locations throughout Northern Hemisphere.
B)   fixed calendar dates that have been consistent for the past 150 years.
C)   when buds of particular plants open and when the leaves of particular plants change color and fall.
D)   average snow melt, precipitation, and consistently increasing or decreasing temperatures across the state.
E)   the amount of pollution, particularly greenhouse gases, found in the atmosphere of that region.

Question 8

In California, major wildfires have been increasing since the mid-1980's. Climate change is believed to play a role in this increase by its effects on:

Accepted Answer

A)   prevailing wind patterns
B)   timing of snowmelt
C)   Both the timing of snowmelt and the reduction in annual precipitation
D)   all of these statements are correct

Question 9

The atmospheric cooling that occurs where and when aerosol pollution is the greatest is an example of:

Accepted Answer

A)   positive feedback.
B)   negative feedback.
C)   equilibrium instability.
D)   carbon management.
E)   adaptation.

Question 10

Which of the following does NOT influence climate change?

Accepted Answer

A)   winds
B)   clouds
C)   albedo
D)   ocean currents
E)   none of these, all influence climate change

Question 11

Land conversion, such as when tropical forests are logged or burned, releases what substance(s)  into the air?

Accepted Answer

A)   carbon dioxide
B)   methane
C)   nitrous oxide
D)   chlorofluorocarbons
E)   sulfuric acid

Question 12

Identify and briefly describe the international agreements that have been formulated to address the issues of global climate change and the thinning of the ozone layer. Include the position that the United States has taken in response to these agreements.

Accepted Answer

Kyoto Protocol: This is a legally bindin...

Question 13

What indicates the level of carbon dioxide in the atmosphere before large scale use of fossil fuels began?

Accepted Answer

A)   negative feedback
B)   preindustrial CO2 level
C)   post-fossil CO2 level
D)   emission scale
E)   none of these

Question 14

Water shortages, frequent flooding, and heavy snow and rainstorms in some areas are
A direct result of…

Accepted Answer

A)   melting ice caps
B)   changes in precipitation patterns
C)   rising sea levels
D)   agricultural byproducts
E)   none of these choices is correct

Question 15

Which of the following is not a greenhouse gas?

Accepted Answer

A)   carbon dioxide
B)   methane
C)   water vapor
D)   chlorofluorocarbons
E)   sulfur oxide

Question 16

The Earth's average temperature is based on daily measurements taken from all of the following except:

Accepted Answer

A)   orbiting satellites.
B)   weather balloons.
C)   spectrophotometers.
D)   sea-surface buoys.
E)   transoceanic ships.

Question 17

Warmer temperatures leading to greater evaporation and higher concentration of atmospheric water vapor which leads to warmer air and ocean temperatures is an example of:

Accepted Answer

A)   negative feedback
B)   infrared radiation
C)   UV rays
D)   Greenhouse gasses
E)   Positive feedback

Question 18

The greenhouse effect occurs because:

Accepted Answer

A)   greenhouse gases released interact chemically to produce excess heat.
B)   there are too many greenhouses scattered across the Earth's surface.
C)   carbon dioxide and other trace gases trap infrared radiation in the Earth's atmosphere.
D)   sulfur emissions from smokestacks and volcanoes continue to occur.
E)   the gases produced by human activities allow significantly more heat to pass out of the Earth's atmosphere.

Question 19

Which of the following statements about sulfur emissions is false?

Accepted Answer

A)   Both natural processes and human activities produce sulfur emissions.
B)   Sulfur emissions are concentrated in heavily populated industrial areas, primarily in the Northern Hemisphere.
C)   Sulfur haze only cools the planet during the daytime, while greenhouse gases warm the planet 24 hours a day.
D)   Most countries are trying to reduce their sulfur emissions because of the negative impact of acid deposition.
E)   Sulfur emissions remain in the atmosphere for hundreds of years and cause global cooling.

Question 20

Which of the following organisms have already been negatively affected by global climate change?

Accepted Answer

A)   Mediterranean fruit flies
B)   tropical forests in Brazil
C)   zooplankton along the California coast
D)   nematodes in the soil

Exam 20: Global Climate Change

Which of the following activities is responsible for the largest percentage of human-made carbon dioxide emissions?

Correct Answer
verified

Which of the following does NOT influence climate change?

Correct Answer
verified

Studies documenting the arrival of spring and fall in the Northern Hemisphere are based on:

Correct Answer
verified

The international treaty which provides operational rules on reducing greenhouse gas emissions is called

Correct Answer
verified

What indicates the level of carbon dioxide in the atmosphere before large scale use of fossil fuels began?

Correct Answer
verified

Which of the following is not a greenhouse gas?

Correct Answer
verified

The greenhouse effect occurs because:

Correct Answer
verified

Warmer temperatures leading to greater evaporation and higher concentration of atmospheric water vapor which leads to warmer air and ocean temperatures is an example of:

Correct Answer
verified

The Earth's average temperature is based on daily measurements taken from all of the following except:

Correct Answer
verified

Identify and briefly describe the international agreements that have been formulated to address the issues of global climate change and the thinning of the ozone layer. Include the position that the United States has taken in response to these agreements.

Correct Answer
verified
Kyoto Protocol: This is a legally bindin...
View Answer

Which of the following ecosystems are NOT considered at greatest risk of loss of species in the short term?

Correct Answer
verified

Which of the following statements about sulfur emissions is false?

Correct Answer
verified

Land conversion, such as when tropical forests are logged or burned, releases what substance(s) into the air?

Correct Answer
verified

In California, major wildfires have been increasing since the mid-1980's. Climate change is believed to play a role in this increase by its effects on:

Correct Answer
verified

A situation in which a change in some conditions triggers a response that counteracts, or reverses, the changed condition is called

Correct Answer
verified

Which of the following organisms have already been negatively affected by global climate change?

Correct Answer
verified

Stratospheric ozone:

Correct Answer
verified

The atmospheric cooling that occurs where and when aerosol pollution is the greatest is an example of:

Correct Answer
verified

Water shortages, frequent flooding, and heavy snow and rainstorms in some areas are A direct result of…

Correct Answer
verified

Correct Answer
verified
The movie opens with scientists seeing f...
View Answer

Exam 20: Global Climate Change

Which of the following activities is responsible for the largest percentage of human-made carbon dioxide emissions?

Correct AnswerverifiedShow Answer

Which of the following does NOT influence climate change?

Correct AnswerverifiedShow Answer

Studies documenting the arrival of spring and fall in the Northern Hemisphere are based on:

Correct AnswerverifiedShow Answer

The international treaty which provides operational rules on reducing greenhouse gas emissions is called

Correct AnswerverifiedShow Answer

What indicates the level of carbon dioxide in the atmosphere before large scale use of fossil fuels began?

Correct AnswerverifiedShow Answer

Which of the following is not a greenhouse gas?

Correct AnswerverifiedShow Answer

The greenhouse effect occurs because:

Correct AnswerverifiedShow Answer

Warmer temperatures leading to greater evaporation and higher concentration of atmospheric water vapor which leads to warmer air and ocean temperatures is an example of:

Correct AnswerverifiedShow Answer

The Earth's average temperature is based on daily measurements taken from all of the following except:

Correct AnswerverifiedShow Answer

Identify and briefly describe the international agreements that have been formulated to address the issues of global climate change and the thinning of the ozone layer. Include the position that the United States has taken in response to these agreements.

Correct AnswerverifiedKyoto Protocol: This is a legally bindin...View AnswerShow Answer

Which of the following ecosystems are NOT considered at greatest risk of loss of species in the short term?

Correct AnswerverifiedShow Answer

Which of the following statements about sulfur emissions is false?

Correct AnswerverifiedShow Answer

Land conversion, such as when tropical forests are logged or burned, releases what substance(s) into the air?

Correct AnswerverifiedShow Answer

In California, major wildfires have been increasing since the mid-1980's. Climate change is believed to play a role in this increase by its effects on:

Correct AnswerverifiedShow Answer

A situation in which a change in some conditions triggers a response that counteracts, or reverses, the changed condition is called

Correct AnswerverifiedShow Answer

Which of the following organisms have already been negatively affected by global climate change?

Correct AnswerverifiedShow Answer

Stratospheric ozone:

Correct AnswerverifiedShow Answer

The atmospheric cooling that occurs where and when aerosol pollution is the greatest is an example of:

Correct AnswerverifiedShow Answer

Water shortages, frequent flooding, and heavy snow and rainstorms in some areas are A direct result of…

Correct AnswerverifiedShow Answer

Correct AnswerverifiedThe movie opens with scientists seeing f...View AnswerShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified
Kyoto Protocol: This is a legally bindin...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The movie opens with scientists seeing f...
View Answer