Question 1

The thinning of the troposphere away from the equator is primarily a result of

Accepted Answer

A) land masses moving towards the poles. 
B) shifting of the continental plates due to plate tectonics. 
C) differences in solar energy striking the Earth. 
D) the number of clouds in the mesosphere and thermosphere. 
A) land masses moving towards the poles. 
B) shifting of the continental plates due to plate tectonics. 
C) differences in solar energy striking the Earth. 
D) the number of clouds in the mesosphere and thermosphere.

Question 2

You examine an ice core sample from 10,000 years ago when global temperatures were unusually high.Based upon past studies and insights from current GHG levels,we expect that atmospheric levels of carbon dioxide

Accepted Answer

A) and methane were unusually low. 
B) and methane were unusually high. 
C) were high but methane levels were low. 
D) were low but methane levels were high. 
A) and methane were unusually low. 
B) and methane were unusually high. 
C) were high but methane levels were low. 
D) were low but methane levels were high.

Question 3

If the precautionary principle had been applied to the evidence of the dangerous health effects of smoking tobacco from the 1950s to the 1970s,

Accepted Answer

A) we would still be waiting for the final word and no government actions would have been taken. 
B) tobacco companies would have been given much more time to research the health effects before any government regulations were passed. 
C) cigarette manufacturers would have been required to demonstrate by acceptable scientific procedures that smoking was safe and government regulations would have come much earlier. 
D) more tobacco products would have been sold. 
A) we would still be waiting for the final word and no government actions would have been taken. 
B) tobacco companies would have been given much more time to research the health effects before any government regulations were passed. 
C) cigarette manufacturers would have been required to demonstrate by acceptable scientific procedures that smoking was safe and government regulations would have come much earlier. 
D) more tobacco products would have been sold.

Question 4

If the sun suddenly stopped shining,where would be the best outdoor location to stay warm with the least change in ambient temperature?

Accepted Answer

A) Atlanta,Georgia 
B) on a beach in Hawaii 
C) Kansas City,Kansas 
D) the center of Brazil 
A) Atlanta,Georgia 
B) on a beach in Hawaii 
C) Kansas City,Kansas 
D) the center of Brazil

Question 5

Outcomes of the Kyoto Conference of 1997 were that

Accepted Answer

A) all of the developed nations have significantly reduced GHG emissions. 
B) developing nations refused to sign the GHG protocol. 
C) the largest GHG emitters-India,China,and the United States-did not participate. 
D) Japan,Canada,and Russia met their GHG reduction pledges. 
A) all of the developed nations have significantly reduced GHG emissions. 
B) developing nations refused to sign the GHG protocol. 
C) the largest GHG emitters-India,China,and the United States-did not participate. 
D) Japan,Canada,and Russia met their GHG reduction pledges.

Question 6

Global warming is raising sea levels because of

Accepted Answer

A) melting ice and thermal expansion. 
B) ocean basins compressed by continental drift. 
C) greatly increased precipitation. 
D) increased use of irrigation and drainage of wetlands on land. 
A) melting ice and thermal expansion. 
B) ocean basins compressed by continental drift. 
C) greatly increased precipitation. 
D) increased use of irrigation and drainage of wetlands on land.

Question 7

For more than 20 years,scientists have been analyzing expected climate change and the impact on crops grown in particular regions.For example,states that typically plant corn and soybeans may need to switch to growing cotton.Such a change is an example of

Accepted Answer

A) mitigation. 
B) a cap-and-trade policy. 
C) adaptation. 
D) the Precautionary Principle. 
A) mitigation. 
B) a cap-and-trade policy. 
C) adaptation. 
D) the Precautionary Principle.

Question 8

The most dramatic temperature shifts in the past few decades have been

Accepted Answer

A) on land near the equator. 
B) in the oceans nearest the equator. 
C) in the north and south polar regions. 
D) in the innermost regions of the North American and African continents. 
A) on land near the equator. 
B) in the oceans nearest the equator. 
C) in the north and south polar regions. 
D) in the innermost regions of the North American and African continents.

Question 9

Evidence from proxies indicate eight major oscillations in global temperatures over the past 800,000 years,most likely the result of

Accepted Answer

A) rising and falling sea levels that greatly impact photosynthetic activity. 
B) variations in solar activity that produce different levels of radiation. 
C) Milankovitch cycles of periodic variations in Earth's orbits around the sun. 
D) lunar cycles in which the moon orbits at different distances from the Earth. 
A) rising and falling sea levels that greatly impact photosynthetic activity. 
B) variations in solar activity that produce different levels of radiation. 
C) Milankovitch cycles of periodic variations in Earth's orbits around the sun. 
D) lunar cycles in which the moon orbits at different distances from the Earth.

The thinning of the troposphere away from the equator is primarily a result of

You examine an ice core sample from 10,000 years ago when global temperatures were unusually high.Based upon past studies and insights from current GHG levels,we expect that atmospheric levels of carbon dioxide

If the precautionary principle had been applied to the evidence of the dangerous health effects of smoking tobacco from the 1950s to the 1970s,

If the sun suddenly stopped shining,where would be the best outdoor location to stay warm with the least change in ambient temperature?

Outcomes of the Kyoto Conference of 1997 were that

Global warming is raising sea levels because of

For more than 20 years,scientists have been analyzing expected climate change and the impact on crops grown in particular regions.For example,states that typically plant corn and soybeans may need to switch to growing cotton.Such a change is an example of

The most dramatic temperature shifts in the past few decades have been

Evidence from proxies indicate eight major oscillations in global temperatures over the past 800,000 years,most likely the result of

Science and the Environment

Economics, Politics, and Public Policy

Basic Needs of Living Things

Populations and Communities

Ecosystems: Energy, Patterns, and Disturbance

Wild Species and Biodiversity

The Use and Restoration of Ecosystems

The Human Population

Population and Development

Water: Hydrologic Cycle and Human Use

Soil: Foundation for Land Ecosystems

The Production and Distribution of Food

Pests and Pest Control

Energy From Fossil Fuels

Nuclear Power

Renewable Energy

Environmental Hazards and Human Health

Atmospheric Pollution

Water Pollution and Its Prevention

Municipal Solid Waste: Disposal and Recovery

Hazardous Chemicals: Pollution and Prevention

Sustainable Communities and Lifestyles

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Exam 18: Global Climate Change

The thinning of the troposphere away from the equator is primarily a result of

You examine an ice core sample from 10,000 years ago when global temperatures were unusually high.Based upon past studies and insights from current GHG levels,we expect that atmospheric levels of carbon dioxide

If the precautionary principle had been applied to the evidence of the dangerous health effects of smoking tobacco from the 1950s to the 1970s,

If the sun suddenly stopped shining,where would be the best outdoor location to stay warm with the least change in ambient temperature?

Outcomes of the Kyoto Conference of 1997 were that

Global warming is raising sea levels because of

For more than 20 years,scientists have been analyzing expected climate change and the impact on crops grown in particular regions.For example,states that typically plant corn and soybeans may need to switch to growing cotton.Such a change is an example of

The most dramatic temperature shifts in the past few decades have been

Evidence from proxies indicate eight major oscillations in global temperatures over the past 800,000 years,most likely the result of

Science and the Environment

Economics, Politics, and Public Policy

Basic Needs of Living Things

Populations and Communities

Ecosystems: Energy, Patterns, and Disturbance

Wild Species and Biodiversity

The Use and Restoration of Ecosystems

The Human Population

Population and Development

Water: Hydrologic Cycle and Human Use

Soil: Foundation for Land Ecosystems

The Production and Distribution of Food

Pests and Pest Control

Energy From Fossil Fuels

Nuclear Power

Renewable Energy

Environmental Hazards and Human Health

Atmospheric Pollution

Water Pollution and Its Prevention

Municipal Solid Waste: Disposal and Recovery

Hazardous Chemicals: Pollution and Prevention

Sustainable Communities and Lifestyles

Filters