Which of the Following Is a Correct Example of Global

question 57

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 which absorbs longwave radiation, further increasing temperature.
• D)Warming oceans release less water vapor, a potent greenhouse gas which absorbs longwave radiation, further increasing temperature.