Which of these is part of a feedback loop that results in a cooling effect on Earth?
A. When permafrost melts, methane is released into the atmosphere.
B. Earth's oceans absorb some of the carbon dioxide from the atmosphere.
C. Burning Fossil Fuels increases the concentration of greenhouse gases in the atmosphere .
D. As snow and ice melt, the underlying surfaces absorb heat from solar radiation.
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Which of these is part of a feedback loop that results in a cooling effect on Earth?
A. When perma...
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