Question

what are ocean class 4th
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Answer 1

Answer:

$The ocean (also the sea or the world ocean) is the body of salt water which covers approximately 71% of the surface of the Earth.[1] It is also "any of the large bodies of water into which the great ocean is divided".[1] A common definition lists five oceans, in descending order by area, the Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic Oceans.$