An ocean is salt water.
The noun 'ocean' is a singular, common, concrete noun; a word for a body of water, a thing.
Salt water. All oceans are made of salt water.
An ocean is a huge marine biome
The noun ocean is a singular, common, concrete noun; a word for a large body of water; a word for a thing.
salt water
A body of water separated from the ocean by a barrier island, reef system, or atoll. In the most generic sense, a lagoon is a small body of water separated from a large body of water by some physical boundary.
ocean water
Salt water
fresh water
Water, salty.
they need ocean water:) because they need "SALTY" type of water:)
They live in salt water like a kind of ocean.