The amount of water on the earth is constant but still water shortage has become a matter of concern. Give reason.
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3
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this is because even if the amount of water is constant on the earth but the amount of usable water is decreasing because of pollution.
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3
Answer:
this is due to water pollution that has made water chemically and biologically contaminated
this has led water unfit for drinking
most water is in form of oceanic layers and glaciers which is salty so we can't drink
increase in population matters a lot since resources are exploited to meet everyone's needs
hence it leads to water shortage
proper need of water conserving techniques is needed to save water
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