Question

why the oceans located at the same latitude do not have same salinity?

Answer 1

It is because latitudes doesnt make much differ in salinity.
It's mostly based on the salts deposited by the rivers in its delta and the proportion and the type of organisms greatly affect the salinity.

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Answer 2

Ocean contains lots of amount of water. Water have no length and breadth, Latitude of ocean is based on the level of water. It have no salinity because of same latitude..

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