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Question : The given graph depicts the depicts the efect of sewage discharge on some important characteristics of a river. Select the correct label for A,B,C and D

Answer»

CLEAN waterclean waterDissolved oxygenBOD
MARINE waterMarine waterBODDissolved OXYGEN
Clean waterMarine waterBODDissolved oxygen
Marine waterClean waterDissolved oxygenBOD

Answer :A


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