Multiple Choice
Where has water been detected on Mars?
A) as a liquid flowing along the numerous flood valleys and meandering stream beds
B) only as atmospheric water vapor, never condensing out as clouds, liquid water, or solid ice
C) in permafrost and polar icecaps and as water vapor in the atmosphere
D) as a liquid in under-surface lakes and rivers
Correct Answer:
Verified
Correct Answer:
Verified
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