How was water created on earth?

1 Answer

Earth and solar system formed from a nebula.There was water molecules in it. Comets also brought lot of water to earth.


The water in the earth is older than earth itself.The water inside earth came out as steam from volcanic vents and the clouds rained down water..Comets also contain lot of water ice.Early period of solar system large amount of comets and asteroids hit the earth They also brought lot of water.