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1. A huge body of salt water
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Answer 1

Answer:

A sea is also made up of salt water, and is a large body of water entirely or partially surrounded by land. This isn't to be confused with “the sea” which is generally how people refer to the collection of oceans.

Answer 2

Answer:

A body of water or waterbody (often spelled water body) is any significant accumulation of water, generally on a planet's surface. The term most often refers to oceans, seas, and lakes, but it includes smaller pools of water such as ponds, wetlands, or more rarely, puddles. A body of water does not have to be still or contained; rivers, streams, canals, and other geographical features where water moves from one place to another are also considered bodies of water.