Which of these is part of a feedback loop that results in a cooling effect on earth? a. as snow and ice melt, the underlying surfaces absorb heat from solar radiation. b. more evaporation of water due to warmer temperatures causes low, thick clouds to form. c. when permafrost melts, methane is released into the atmosphere. d. burning fossil fuels increases the concentration of greenhouse gases in the atmosphere.

The answer is: b, is part of a feedback loop that results in a cooling effect on Earth

Explanation:  

More evaporation of water due to warmer temperatures from various sources such as seas and oceans and even melting of glaciers cause low and thick clouds to form. These thick low clouds later result in rain. In addition, the rain causes the earth’s temperature to cool down.

they use tree rings to figure out weather patters.