> The sea is the interconnected system of all the Earth's oceanic waters, including the Atlantic, Pacific, Indian, Southern and Arctic Oceans.[1] However, the word "sea" can also be used for many specific, much smaller bodies of seawater, such as the North Sea or the Red Sea.
There is no sharp distinction between seas and oceans, though generally seas are smaller, and are often partly (as marginal seas or particularly as mediterranean seas) or wholly (as inland seas) bordered by land.[2] However, the Sargasso Sea has no coastline and lies within a circular current, the North Atlantic Gyre…