Hydrosphere, Oceans and Their Circulation Give reasons: (a) Ocean water is salty. (b) The quality of water is deteriorating.
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(i) Ocean water is salty because it contains large amount of dissolved salts. Most of the salt is sodium chloride or the common table salt that we eat.
(ii) The quality of water is deterioting because we get it from polluted water sources. These water bodies are getting polluted due to dumping of untreated wastes, sewage, pesticides, toxicor decayed materials into it.
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