Author Question: A positive feedback mechanism:a. acts to reinforce an initial change b. acts to weaken or oppose ... (Read 61 times)

cool · **on:** Jul 13, 2018

A positive feedback mechanism:a.
acts to reinforce an initial change
b. acts to weaken or oppose an initial change
c. will cause a positive change
d. will cause a negative change

Question 2

If the 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 cloud cover around the globe
d. increasing the carbon dioxide content of the air