Final answer:
An ocean is a large body of saltwater that covers more than 70% of the Earth's surface and is home to various marine life. It is one of the Earth's major geographical features.
Step-by-step explanation:
Ocean
An ocean is a large body of saltwater that is part of the Earth's outer surface. It covers more than 70% of the Earth's surface and is home to a wide variety of marine life. Oceans are divided into five main basins: the Atlantic, Pacific, Indian, Southern, and Arctic Oceans.
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