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Martian surface features include gullies and runoff channels, which suggest that _______ on the surface of Mars. A. plants could grow B. liquid water once existed C. humans can live D. there is life
Martian surface features include gullies and runoff channels, which suggest that liquid water once existed on the surface of Mars.
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Expert answered|Score 1|RoseofEmerlandia|Points 112|
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Asked 4/9/2018 10:02:21 PM
Updated 152 days ago|7/2/2020 11:47:36 PM
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