If Earth were in a warming trend, which of the processes below would most likely act as a negative feedback mechanism?
a. increasing the water vapor content of the air
b. increasing the snow cover around the Earth
c. decreasing the amount of low stratified cloud cover around the globe
d. increasing the carbon dioxide content of the air
e. decreasing the snow cover in middle and high latitudes
Question 2
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 low stratified cloud cover around the globe
d. increasing the carbon dioxide content of the air
e. decreasing snow cover in middle and high latitudes
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