Widespread human-influenced fires in tropical forests,such as the Amazon Rainforest,change weather patterns by raising temperatures and reducing rainfall resulting in droughts,which in turn makes forests more likely to burn.This is an example of a ____.
A) runaway fire cycle
B) natural fire cycle
C) positive feedback loop
D) negative feedback loop
E) closed circuit loop

Question

Quizplus · Accepted Answer

This is an example of a positive feedback loop because the initial effect (fires) causes changes (higher temperatures and reduced rainfall) that further intensify the initial effect (making forests more likely to burn), thus amplifying the overall effect.

Widespread Human-Influenced Fires in Tropical Forests,such as the Amazon Rainforest,change