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Hurricanes and tornadoes are events taking place in the


A) mesosphere.
B) thermosphere.
C) stratosphere.
D) troposphere.

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The jet streams in the United States generally flow from west to east because of


A) ocean currents off the Pacific and Atlantic coastlines.
B) convection currents between the troposphere and stratosphere.
C) rotation of the Earth.
D) high pressure systems generated by the sun striking the North American continent.

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Which of the following gases by virtue of its enormous amount in the atmosphere has the greatest impact on global climate change?


A) methane
B) nitrous oxide
C) carbon dioxide
D) nitrogen

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If any component of the atmosphere causes an increase in the retention of energy,it


A) will leave the planetary albedo unaffected.
B) has a positive value of radiative forcing.
C) has a negative value of radiative forcing.
D) will help mitigate global warming.

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In the summer,some people place a windshield reflector in the front of their cars to reduce the buildup of heat inside the car.In the greenhouse effect,this would be most like


A) increasing sulfate aerosol and high clouds in the sky.
B) adding more carbon dioxide to the atmosphere.
C) decreasing the amount of ozone in the stratosphere.
D) increasing the amount of acid rain that is produced by burning coal.

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Farmers in North America in the next 50 years will likely experience


A) shorter growing seasons.
B) less predictability in the weather and more extreme weather events.
C) generally more precipitation.
D) generally less precipitation.

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The 2007 Panel on Climate Change (IPCC) reported that global climate change is


A) certain and it is very likely that humans are to blame.
B) likely and it is possible that humans are to blame.
C) happening in some regions of the world and in some places people may be to blame.
D) still unclear and the evidence and the causes of change require additional studies.

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Rising GHGs in the 21st century most confidently predict


A) increases in global temperatures and sea levels.
B) decreases in polar temperatures but increases in sea levels.
C) decreases in sea levels but increases in polar temperatures.
D) increases in ocean pH and increases in sea levels.

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Which one of the following best illustrates a type of mitigation in response to global climate change?


A) using natural gas instead of coal to generate electricity
B) constructing and using wind turbines to generate electricity
C) using scrubbers to remove sulfur from coal before burning it to generate electricity
D) using coal-generated electricity to power electric cars

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The two highest levels of the atmosphere contain only small amounts of oxygen,nitrogen,and ozone.These layers are the


A) mesosphere and thermosphere.
B) thermosphere and stratosphere.
C) stratosphere and troposphere
D) thermosphere and troposphere.

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At an international conference on global climate change,a representative of a developing country admits that each year,his country contributes the same amount of greenhouse gases to the atmosphere as the United States.However,he argues that because his country has only 10% of the wealth of the United States,the United States should pay much more of the costs of adaptation.This representative's arguments illustrate the


A) polluter pays principle.
B) precautionary principle.
C) equity principle.
D) conservation of the commons principle.

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  -According to the latest government predictions shown in the figure above,in 40 years the Chicago,Illinois,climate will change to be most like the current climate in A) St.Louis,Missouri. B) Lincoln,Nebraska. C) Cincinnati,Ohio. D) Iowa City,Iowa. -According to the latest government predictions shown in the figure above,in 40 years the Chicago,Illinois,climate will change to be most like the current climate in


A) St.Louis,Missouri.
B) Lincoln,Nebraska.
C) Cincinnati,Ohio.
D) Iowa City,Iowa.

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Increasing levels of greenhouse gases have caused a


A) rise in ocean temperatures but a decrease in ocean pH.
B) rise in ocean temperatures and an increase in ocean pH.
C) decrease in ocean temperatures and a decrease in ocean pH.
D) decrease in ocean temperatures but an increase in ocean pH.

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As climate change continues,we expect that the countries with the


A) largest coastlines will experience the greatest impacts.
B) greatest resources will experience the greatest impacts.
C) fewest resources will experience the greatest impacts.
D) fewest resources will experience the lowest impacts.

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Which of the following states will most likely experience the greatest warming in the next 50 years?


A) Florida
B) Hawaii
C) Alaska
D) Illinois

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An ethical response to growing concern about climate change might be found by applying


A) cost-benefit analysis.
B) the Precautionary Principle as articulated in the 1992 Rio Conference.
C) forgiveness to climate scientists who have deliberately falsified data.
D) the principle of Economic Might Makes Right.

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Current levels of atmospheric carbon dioxide are


A) remaining high but steady.
B) nearly 400 ppm,higher than they have been in 800,000 years.
C) fluctuating greatly but are starting to increase again after a downward trend in the 1990s.
D) decreasing because surplus carbon dioxide is being absorbed by the arctic permafrost.

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Which one of the following global climate changes is most associated with increased hurricane activity?


A) increased desertification in Africa
B) warmer oceans
C) melting polar ice caps
D) melting glaciers in Alaska

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If global climate change causes rain and temperature patterns to shift dramatically in a region,


A) plate tectonic action may dramatically change.
B) ocean levels could suddenly drop.
C) the region's biomes may shift to other types.
D) the region's biodiversity may suddenly increase.

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The best computer models of global climate change indicate that in the next 50 years


A) all of the rainforests will be destroyed.
B) growing seasons will get shorter.
C) the world will warm up by 2-3°C.
D) regions of drought will instead experience flooding.

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