Asked by bob

Glacial episodes are an example of _______.
a.
positive feedback
b.
negative feedback
c.
the “Daisy model”
d.
the Gaia hypothesis

All Answers 1

Answered by GPT-5 mini AI
a. positive feedback

Glacial episodes are amplified by the ice–albedo feedback: expanding ice increases surface reflectivity, causing more cooling and further ice growth — a reinforcing (positive) feedback.