Geography ch 6 - Properties of Sea Water — Social Studies STD 9 — Question
Maharashtra BoardEnglish MediumSTD 9Social StudiesGeography ch 6 - Properties of Sea Water3 Marks
Question
Name the factors affecting salinity.
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Answer
Due to the sun’s heat, evaporation happens at a faster rate. Evaporated water turns into water vapour and reduces in quantity. But amount of salt remains the same in the remaining water and therefore the salinity of water increases.
In seas where the rate of evaporation is high than the supply of fresh water, salinity is high.
In seas where the supply of freshwater exceeds the rate of evaporation, salinity is low.
Salinity is not affected much in seas where both the supply of freshwater and evaporation of water is low.
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