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Question : Industrial effluents and domestic sewageseriously affect fresh water bodies. Forprotectingaquatic life Govt. of India recentlydeclared an animals as National aquatic animal. a. Identifythe animals. ii. Distinguish biomagificationfrom eutrophication.

Answer»

SOLUTION :a.Fresh water DOLPHIN.
b.Biomagnifiations refers to theincrease in CONCENTRATIONOF the toxicantat successivetrophic levels.
Eutrophication is the naturalageing of alakeby nutrientenrichmentof its water .


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