An example of a positive feedback loop ________

A) is melting arctic snow exposing dark surfaces that heat up and cause further melting
B) are predators eating most of their prey and then declining in numbers
C) is a pond becoming more acidic as a result of pollution
D) are birds migrating south in response to colder temperatures
E) is a thermostat turning on the furnace as the temperature drops


A

Environmental & Atmospheric Sciences

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