The water vapor-greenhouse feedback represents a ____ feedback mechanism.
A)neutral
B)positive
C)directional
D)negative
E)balanced

Question

Quizplus · Accepted Answer

The water vapor-greenhouse feedback is a positive feedback mechanism because as the Earth warms, more water vapor is evaporated into the atmosphere. Since water vapor is a greenhouse gas, its increase enhances the greenhouse effect, leading to further warming.

The Water Vapor-Greenhouse Feedback Represents a ____ Feedback Mechanism