Warming temperatures melt ice cover, exposing a darker surface that absorbs more solar radiation. In response, the air warms even further. This is an example of:

Question

Quizplus · Accepted Answer

This is an example of a positive feedback mechanism, where the initial warming causes further warming by exposing a darker surface that absorbs more solar radiation. This creates a loop of increasing warmth, leading to even more melting of ice cover and more absorption of solar radiation.

Warming Temperatures Melt Ice Cover, Exposing a Darker Surface That