Which of the following may result in a positive feedback mechanism that would intensify climate change?
A)A large volcano emits huge quantities of sulfate aerosols into the atmosphere.
B)Warmer temperatures result in the melting of permafrost.
C)Warmer temperatures result in increased evaporation of water,leading to an increase in cloud cover.
D)An increase in rainfall results in increased plant growth.
E)At higher temperatures,trees increase rates of photosynthesis.

Question

Quizplus · Accepted Answer

The melting of permafrost can release large amounts of methane, a potent greenhouse gas, which can further intensify climate change through a positive feedback mechanism. As temperatures continue to rise, more permafrost can melt, releasing even more methane and exacerbating the problem.

Which of the Following May Result in a Positive Feedback