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Home Q & A Board Science-Related Homework Help Physics Astronomy
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adreamer adreamer
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6 years ago
Valles Marineris on Mars is
A) about as long and deep as the Grand Canyon on the Earth
B) much longer and deeper than the Grand Canyon on Earth
C) much shorter and shallower than the Grand Canyon on Earth
D) much longer but not as deep as the Grand Canyon on Earth
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
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DonskoyDonskoy
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#1
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6 years ago
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adreamer Author
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6 years ago
Thank you, thank you, thank you!
veronee_madison
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Yesterday
Smart ... Thanks!
shelbycox
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2 hours ago
Thanks for your help!!
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