Compare the Atmospheres of Mars and Venus

question 102

Multiple Choice

Compare the atmospheres of Mars and Venus.

• A)Both are made of hydrogen and helium, like the jovians.
• B)Like Earth, nitrogen is the chief atmospheric gas.
• C)Both are chiefly carbon dioxide, but at Mars it can freeze as dry ice.
• D)Mars is rich in oxygen, like ours, accounting for its red surface.
• E)Both are too hot for water to now exist as a liquid at the surface.

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