The most probable (original) sources of the water in earth's ocean are the mantle and continual addition from outer space by icy comets.
The ocean is the body of salt water covering much of the Earth or a large quantity of something. An ocean is a continuous body of salt water that is contained in an enormous basin on Earth's surface.An ocean represents a far larger body of open water than a sea.
The ocean is very important and useful for human life Because The ocean produces over half of the world's oxygen and absorbs 50 times more carbon dioxide than our atmosphere.
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