The theory that Mercury shrank slightly when it was young has been proposed to explain
A)extended lava plains.
B)large craters.
C)magnetic field.
D)lobate scarps.
E)regolith.

Question

Quizplus · Accepted Answer

The presence of lobate scarps, or cliffs that were likely formed by the planet's shrinking crust, suggests that Mercury may have experienced some degree of contraction in its early history.

The Theory That Mercury Shrank Slightly When It Was Young