Compared to Earth's Atmosphere, the Atmosphere of Mars Has Surface

question 38

Multiple Choice

Compared to Earth's atmosphere, the atmosphere of Mars has surface pressures that are ___________.

• A) 0.1 times those on Earth; major gases are water vapor and carbon dioxide
• B) 1.5 times those on Earth; main gases are methane and nitrogen
• C) one- half those on Earth; main gases are methane and nitrogen
• D) 3 times those on Earth; major gases are water vapor and carbon dioxide

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