That the Tharsis region on Mars has so few craters
A) is due to annual flooding and water erosion.
B) suggests it is at the center of a particularly strong magnetic field.
C) suggests it is the youngest region on the planet.
D) is due to the very low elevation of the region.
E) proves tectonic activity is taking place.

Question

Quizplus · Accepted Answer

The low number of craters in the Tharsis region suggests it is relatively young geologically, as fewer craters indicate less time for impacts to occur.

That the Tharsis Region on Mars Has So Few Craters