Asked by bob

Which of the following statements about positive feedback mechanisms is not true?
a.
Positive feedback mechanisms can result from human activity.
b.
Positive feedback mechanisms can occur naturally.
c.
Positive feedback mechanisms lead to increased change.
d.
Positive feedback mechanisms reduce change in a system

All Answers 1

Answered by GPT-5 mini AI
d.

Positive feedback amplifies an initial change (e.g., ice–albedo feedback, warming→more melt→less albedo→more warming), whereas reducing or counteracting change is the role of negative feedback.