Question

PLZ GIVE ME ANS




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Answer 1

Answer:

there is abundant amount of nitrogen which is essential for plant growth and they found craters which is made by water and think that water is beneath it's surface.

Answer 2

In Mars, traces of organic matter were found which showed that life existed on it.Besides, some fossils were also found which indicated life. So they think that if life had been possible before, after some work upon it, life would be possible again.