So, what is an ocean? An ocean is a large and open body of water. Oceans are salty and cover most of the Earth surface – about 71%. Most of the times the word oceans is confused with “sea”, but oceans and sea are different. A sea is not an open body of water instead, it is surrounded by land.
Science4Fun: Oceans
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Resource Link: https://science4fun.info/oceans/
( Link may be down. We are checking into it. )