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What is the difference between an Ocean and a Sea?
People often use the terms "ocean" and "sea" interchangeably. However, there is a difference between the two terms. Oceans are very large bodies of water that covers three-quarters of the earth’s surface.
The five oceans in descending order of area are the Pacific, Atlantic,
Indian, Southern, and Arctic Oceans. These oceans comprise the “world ocean.”
A Sea, on the other hand, is much smaller and is usually located where
the land and ocean meet. A sea can be partially or completely enclosed by land.
The Red Sea and Yellow Sea are examples of marginal seas. The Red Sea is connected to the Indian Ocean by a narrow strait called Bab-el-Mandeb. The Yellow Sea is the name given to the northern part of the East China Sea, which is a marginal sea of the Pacific Ocean. It is located between mainland China and the Korean Peninsula.
The Caspian Sea is an example of a landlocked sea located between Asia and Europe.