Multiple Choice
Mars' atmosphere contains no water vapor.Why is this?
A) Mars' gravity is too weak to retain water vapor on the planet.
B) The temperature of Mars is too high for water vapor to be retained on the planet.
C) There has never been any liquid water on the surface of Mars.
D) Mars was formed outside the region of the solar nebula where water vapor was stable.
Correct Answer:
Verified
Correct Answer:
Verified
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