Which of these is part of a feedback loop that results in a cooling effect on Earth?


A. Rising carbon dioxide levels fuel the growth of algae and plants, which increases carbon dioxide absorption.

B. As snow and ice melt, the underlying surfaces absorb heat from solar radiation.

C. When permafrost melts, methane is released into the atmosphere.  

D. Burning fossil fuels increases the concentration of greenhouse gases in the atmosphere.

A- apex