Question

Glacial episodes are an example of _______.

a. positive feedback
b. negative feedback
c. the “Daisy model”
d. the Gaia hypothesis

Answer 1

the correct answer is a

Answer 2

I think the correct answer from the choices listed above is option A. Glacial episodes are an example of a positive feedback. Each glacial period in the Earth is subjected to a positive feedback which makes each period more severe. Hope this answers the question.