Which of the Following Is a Correct Example of Global

Multiple Choice

Which of the following is a correct example of global warming creating a positive feedback?

A) Warming air melts permafrost releasing methane,a natural absorber of potent greenhouse gases.
B) Less water evaporating will create more high level clouds causing the surface to warm.
C) Warming oceans release more water vapor,a potent greenhouse gas that absorbs longwave radiation,further increasing temperature.
D) Warming oceans release less water vapor,a potent greenhouse gas that absorbs longwave radiation,further increasing temperature.