Based on supporting evidence of the Mars "ocean" hypothesis, which statement is true?
A)Mars has an ocean today.
B)Mars has an ocean, and it is probably hidden in vast caverns beneath the surface of the planet.
C)Mars may have had an ocean in the distant past, between 3.2 and 1.2 billion years ago.
D)Mars may have had an ocean until very recently.

Question

Quizplus · Accepted Answer

The supporting evidence suggests that Mars may have had an ocean in the distant past, between 3.2 and 1.2 billion years ago, but there is no evidence to suggest that Mars currently has an ocean or that it had one until very recently.

Based on Supporting Evidence of the Mars "Ocean" Hypothesis, Which