The theory that Mercury shrank slightly when it was young has been proposed to explain...
A) jumbled terrain.
B) large craters.
C) magnetic field
D) lobate scarps
E) central peaks.

Question

Quizplus · Accepted Answer

Lobate scarps are cliffs on Mercury's surface that are believed to have formed as the planet cooled and contracted, causing the crust to buckle and create these features.

The Theory That Mercury Shrank Slightly When It Was Young