Author Question: Melting permafrost is expected to release carbon dioxide into the air, promoting further warming. ... (Read 26 times)

Deast7027

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Melting permafrost is expected to release carbon dioxide into the air, promoting further warming. This is
 
  A) a negative feedback.
  B) a positive feedback.
  C) a direct thermal circulation.
  D) a parameterization.

Question 2

The warming experienced over the 20th century
 
  A) was uniform across the globe.
  B) is expected to be uniform across the globe in the 21st century.
  C) was not uniform across the globe.



ciecieme

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: C



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