Mars Has a Sufficient Mass and a Low Enough Temperature

question 33

Multiple Choice

Mars has a sufficient mass and a low enough temperature that water vapor molecules could exist in its atmosphere.Why doesn't Mars' atmosphere contain a significant amount of water vapor?

• A) Mars formed in a part of the solar nebula that lacked oxygen.
• B) Mars formed in a part of the solar nebula that lacked hydrogen.
• C) Water only exists on Earth
• D) Much water is frozen in the ice caps or below ground
• E) Water is not found in our Solar System

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Definitions:

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