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Why do scientists think Mars once had liquid water on the surface? Please help!!!!!!!!!!!!!!!!! (Homework due tomorrow!!!)
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Why do scientists think Mars once had liquid water on the surface?

Please help!!!!!!!!!!!!!!!!!

(Homework due tomorrow!!!)

User Herohuyongtao
by
7.3k points

1 Answer

7 votes
scientists this this as mars contains polar ice caps
and so that ice must have come from somewhere

User Peter Knego
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7.2k points
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