What is the difference between an ocean and a sea?
Answer: Basically, a sea refers either to a smaller division of the oceans or to a large saltwater bay partially enclosed by land. There are many seas in the world; the principal ones are [in order of size]: South China, Caribbean, Mediterranean, Bering , Gulf of Mexico, Sea of Okhotsk, East China, Hudson Bay, Sea of Japan, North Sea, and the Baltic Sea.
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