If global temperatures increased and caused more water vapor to enter the air and more snow to fall in cooler latitudes,then the initial increase in snowfall would be a ________feedback,whereas a sustained increase in the temperatures could lead to the loss of snow cover even at those latitudes and cause a ________feedback.
A)positive; positive
B)negative; negative
C)positive; negative
D)negative; positive

Question

Quizplus · Accepted Answer

The initial increase in snowfall due to more water vapor is a negative feedback because it could reflect more sunlight and cool the Earth. However, if temperatures continue to rise, the loss of snow cover would reduce reflectivity, leading to further warming, which is a positive feedback.

If Global Temperatures Increased and Caused More Water Vapor to Enter