If we burn fossil fuels,which release carbon dioxide and warm the atmosphere,as the oceans warm they will release more carbon dioxide,which warms the atmosphere.This is an example of ________ feedback.If the increased atmospheric carbon dioxide causes increased plant growth which removes carbon dioxide and cools the atmosphere,this is an example of ________ feedback.
A)positive positive
B)positive negative
C)negative negative
D)negative positive

Question

Quizplus · Accepted Answer

The first scenario is a positive feedback loop because the warming leads to more warming. The second scenario is a negative feedback loop because the increased plant growth counteracts the warming by removing CO2.

If We Burn Fossil Fuels,which Release Carbon Dioxide and Warm