If Earth was in a cooling trend, which process would most likely ...

[azncindy619]

If Earth was in a cooling trend, which process would most likely act as a positive feedback mechanism?
 A) increasing the snow cover around 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

During the summer months at the North Pole, the sun does not set for ____.
 A) 2 months
  B) 24 hours
  C) 6 months
  D) 4 months

[atrochim]

Answer to Question 1

A

Answer to Question 2

C