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Author Question: As arctic temperatures rise, summer sea ice and glacial melt accelerates; lighter color surfaces are ... (Read 139 times)

jwb375

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As arctic temperatures rise, summer sea ice and glacial melt accelerates; lighter color surfaces are thereby replaced with darker-colored surfaces leading to more absorption and surface heating. This is an example of a(n) ________ feedback.
 
  A) dynamic B) negative C) reverse D) positive

Question 2

The general term describing the pollution-related decline in insolation reaching Earth's surface is
 
  A) atmospheric albedo. B) greenhouse effect.
  C) global dimming. D) earthshine.



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medine

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Answer to Question 1

D

Answer to Question 2

C





 

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