Question

Which condition would cause the salinity of ocean water to decrease?



A.


high rates of evaporation


B.


freezing of glaciers


C.


extremely hot weather


D.


a river flowing into the sea

Answer 1

a. high rates of evaporation
Places of higher salinity. There are parts of the ocean where hardly any rain falls but warm dry winds cause lots of evaporation. This evaporation removes water – when water vapour rises into the atmosphere, it leaves the salt behind, so the salinity of the seawater increases. This causes the seawater to become denser.

Answer 2

option A is the right.....

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