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If Earth Warmed Up,and More Snow Fell Because of More

Question 39

Multiple Choice
If Earth warmed up,and more snow fell because of more water vapour in the atmosphere,and that snow then reduced Earth's temperature,which increased snow cover,then the initial increase in snow fall would be ________ feed back,while the continued increase in snow fall would be ________ feed back.

If Earth warmed up,and more snow fell because of more water vapour in the atmosphere,and that snow then reduced Earth's temperature,which increased snow cover,then the initial increase in snow fall would be ________ feed back,while the continued increase in snow fall would be ________ feed back.


A) positive positive
B) positive negative
C) negative positive
D) negative negative

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