Some scientists believe that Mars, the planet most similar to Earth, may contain water. is this sentence correct?

asked Jun 25, 2016 28.2k views

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3 votes

It used to contain liquid water millions of years ago, but now it is frozen on the planet's surface.

Luc Gagan answered Jun 27, 2016

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5 votes

yes it is correct hope this helps

Lumen answered Jun 28, 2016

by Lumen

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