Q. 13.5( 4 Votes )

Why are the

Answer :

Differences in the salinity of the ocean is caused by following factors -


• Ice melting causes fresh water to get mixed into the salt water of the ocean. This dilutes the water.


• River water which gets mixed into the ocean water also increases the freshwater content.


• Evaporation only causes the fresh water to evaporate out leaving behind the salt. This increases the concentration of salt water in the ocean.


• Rain increases the freshwater content in the ocean.


• Currents move the salt water from the equator to higher latitudes thus averaging the salt water ratio.


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