Question

From where does the rain water come on earth

Answer 1

Answer:

The water we encounter today, it seems, must have been delivered long after Earth formed. Faced with this conundrum, astronomers realized that there are two ready-made sources: comets and asteroids, the solar system's gravel strewn among planetary boulders. ... Both comets and asteroids can contain ice.

Explanation:

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Answer 2

Answer:

The water we encounter today, it seems, must have been delivered long after Earth formed. Faced with this conundrum, astronomers realized that there are two ready-made sources: comets and asteroids, the solar system's gravel strewn among planetary boulders. ... Both comets and asteroids can contain ice.