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Home Q & A Board Science-Related Homework Help Physics Astronomy
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hermiz hermiz
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7 years ago
Mars may have been more Earth-like in the past because
A) its atmosphere was thicker and warmer
B) it was rotating more rapidly
C) the Sun was dimmer, putting out less solar radiation
D) it was not as close to the Sun
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
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Life in the Universe, 4/E (Bennett, Shostak)
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DonskoyDonskoy
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7 years ago
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hermiz Author
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7 years ago
Just got PERFECT on my quiz
amandamraz
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This site is awesome
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You make an excellent tutor!
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