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Tsync Tsync
wrote...
Posts: 3450
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8 years ago
Which of these does Mars NOT have to help its case of past or present life?
A) a favorable distance from the Sun
B) carbon dioxide to provide some greenhouse warming
C) rover discoveries of sedimentary rocks and carbonates on the surface of Mars
D) a protective ozone layer
E) occasional water flows, and past records of much larger ones
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 282 times
3 Replies
Minoring in physics
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RatatouilleRatatouille
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Posts: 3710
8 years ago
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Tsync Author
wrote...
8 years ago
This astronomy class is killing me, thanks for chiming in and answering
Minoring in physics
wrote...
8 years ago
Happy to help Slight Smile
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