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 cloud cover around the globe
D) increasing the carbon dioxide content of the air

Question

Quizplus · Accepted Answer

Increasing the snow cover around the earth would increase the Earth's albedo, reflecting more sunlight back into space, thus enhancing the cooling trend.

If the Earth Were in a Cooling Trend,which Process Below