Multiple Choice
Imagine that a system has been perturbed at a constant rate for a long time, but the system has barely changed. Suddenly, a small additional perturbation causes a large change in the system. This scenario is an example of:
A) uniformitarianism.
B) catastrophism.
C) a threshold effect.
D) a feedback mechanism.
Correct Answer:

Verified
Correct Answer:
Verified
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