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bturner bturner
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6 years ago
Scientific evidence shows that global warming is caused mostly by
 
  a. human activity.
 b. natural changes in the environment.
 c. animal activity.
 d. changes in the sun's temperature.



If greenhouse gases stabilize, global air temperature and sea level are expected to continue to rise for hundreds of years because global warming that has already occurred contributes to further warming of the planet. This process is known as
 
  a. post hoc global warming.
 b. positive feedback loop.
 c. greenhouse extension effect.
 d. greenhouse projection.
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etienner97etienner97
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Posts: 303
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6 years ago
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bturner Author
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6 years ago
Were some really tough homework problems!
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