One feature discovered on the Moon is a cliff called a "scarp". How do planetary scientists believe they were formed?
A) by shrinkage of the crust as the Moon cooled
B) by impact
C) at a convergent boundary between lunar tectonic plates
D) by volcanism

Question

Quizplus · Accepted Answer

Scarps on the Moon are believed to be formed by the shrinkage of the Moon's crust as it cooled, causing the surface to contract and create these cliff-like features.

One Feature Discovered on the Moon Is a Cliff Called