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What is a growing concern related to sea- level rise?


A) deforestation as salt in the atmosphere increases
B) migrating birds as salt in the atmosphere increases
C) eroding shorelines in coastal areas
D) fish migrating earlier than usual
E) vanishing land near lakes and rivers

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Hydroelectric power generation ______________.


A) uses fuel cells to generate electricity
B) produces pollutants that contribute significantly to acid precipitation
C) produces high quantities of greenhouse gases
D) is an alternative to fossil fuels that produces fewer greenhouse gases
E) has no undesirable environmental effects

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The use of public transportation is _______________.


A) increasing rapidly in the face of concerns over climate change
B) more expensive than driving a car
C) subsidized by the U.S. government
D) one option for decreasing the use of fossil fuels for transportation
E) higher in the United States than in Europe

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How can scientists learn about Earth's climatic history?

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Scientists can directly measure gases kn...

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Carbon- based fuels from lithospheric reservoirs _______________.


A) are formed from the deposition, partial decay, and compression of inorganic matter
B) will be lost before the end of the decade
C) have been slowly sequestered over many millions of years
D) cannot be lost to the atmosphere by human processes once stabilized on Earth's surface
E) are readily lost from Earth's surface in the absence of humans

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Most abundant greenhouse gas


A) argon
B) methane
C) The Day After Tomorrow
D) water vapor
E) ozone
F) ammonia
G) carbon dioxide
H) biodiesel
I) An Inconvenient Truth
J) sulfate aerosol
K) nitrous oxide

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Distinguish between the terms weather and climate, and briefly discuss how each affects species distribution within ecosystems.

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Weather describes short- term atmospheri...

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It can be argued that the United States should enact laws slowing global climate change because _______________


A) U) S. industry supports the legislation
B) the United States is a major source of the problem
C) global climate change effects are most significant in the United States
D) no other nations have initiated efforts to slow global climate change
E) the United States is the most populous nation on Earth

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Recent evidence from polar ice core analysis shows that, until now, carbon dioxide levels have never exceeded _______________ ppm in the last 800,000 years.


A) 300
B) 25
C) 1000
D) 200
E) 500

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