Question

Why oceans located at the same
latitude do not have some
Salinity?​

Answer 1

The concentration of salt in seawater (salinity) varies with temperature, evaporation, and precipitation. Salinity is generally low at the equator and at the poles, and high at mid-latitudes. The average salinity is about 35 parts per thousand

Answer 2

Salinity of seawater is determined by the factors like temperature, supply of fresh water and landlocked or open nature of sea. Hence, the effect of latitudinal location is comparatively less significant factor of on salinity of the sea. As a result the salinity of sea is not uniform even on the same latitude.

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