The origin of the erosion features seen on the surface of Mars appears to be due to
A) runoff after rainfall
B) erosion by water-rich debris flows
C) an underground source
D) one or more of these

Question

Quizplus · Accepted Answer

The erosion features seen on the surface of Mars are believed to be caused by a combination of factors, including runoff after rainfall, erosion by water-rich debris flows, and possibly an underground source. This suggests that water, in various forms, has played a significant role in shaping the Martian landscape over time.

The Origin of the Erosion Features Seen on the Surface