The flow patterns found on the surface of Mars suggest
A) that Mars is a water-rich world.
B) that the climate on Mars was different in the past.
C) that volcanism is occurring on Mars.
D) that the polar caps are made of water.
E) all of the above

Question

Quizplus · Accepted Answer

The flow patterns on Mars indicate that liquid water once existed on its surface, suggesting that the climate was warmer and wetter in the past compared to the present dry and cold conditions.

The Flow Patterns Found on the Surface of Mars Suggest