Science 111 - Understanding Climate Change » Spring 2022 » Feedback loops in nature Quiz

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Question #1
Which of the following is an example of a positive feedback loop?
A.   None of the choices
B.   A good change like: More plants -> good for the ecosystem
C.   More plants -> More soil hummus -> more plants -> more soil hummus ...
Question #2
A cooler climate results in more ice cover. This ice cover reflects more solar radiation (heat) and thus makes the planet cooler. The cooler planet results in even more ice cover and the process goes on.
A.   Negative Feedback Loop
B.   Positive Feedback Loop

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