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hermiz hermiz
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7 years ago
During summer, the northern polar cap of Mars is made of
A) carbon dioxide ice overlaying water ice   
B) a layer of carbon dioxide ice
C) a layer of water ice
D) water ice overlaying carbon dioxide ice
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
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1 Reply
Life in the Universe, 4/E (Bennett, Shostak)
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DonskoyDonskoy
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Posts: 582
7 years ago
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hermiz Author
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7 years ago
Smart ... Thanks!
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Yesterday
Helped a lot
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2 hours ago
Thanks for your help!!
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