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2 votes
Where did the water on Earth come from?

A. mainly volcanic eruptions
B. probably from a combination of sources
C. probably from the nebula that formed the planet
D. mainly comets and asteroids

!SCIENCE!

User Tayan
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2 Answers

4 votes
I think the answer to this is C but it could also be D. There are theories out that that water came from comets and asteroids or nebula that formed the planet. 
User Dimitry K
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5 votes
D, the correct one is D. that is what is thought in most schools.
User Bmovement
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