Author Question: If the earth were in a cooling trend, which process below would most likely act as a positive ... (Read 54 times)

jhjkgdfhk

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If the earth were in a cooling trend, which process below would most likely act as a positive
  feedback mechanism?
  a. increasing the snow cover around the earth
  b. increasing the water vapor content of the air
  c. decreasing the amount of cloud cover around the globe
  d. increasing the carbon dioxide content of the air



Question 2

Over the past 100 years or so, it appears that average global temperatures have:a.
   increased slightly
  b. fluctuated widely but shown no overall change
  c. decreased slightly
  d. remained constant




jharrington11

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Answer to Question 1

a

Answer to Question 2

a



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