How are seas different from oceans?

We highlight the following differences:
The sea is part of a particular ocean. The ocean is a significant, large part of the World Ocean, which occupies 2/3 of the planet’s surface.
The sizes of reservoirs differ accordingly.
System of currents. The ocean has surface cold and warm water masses. The sea has only one current. It can be a superficial warm or cold current.
The ocean floor is the earth’s oceanic crust, and the sea is the continental plume. The Sargasso and Philippine Seas are an exception.



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