The most important pollutants that cause degradation of water quality in rivers and streams are(A) Bacteria (B) Nutrients(C) Metals (D) Total dissolved solids(E) Algae Choose the most appropriate answer from the options given below :

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The most important pollutants that cause degradation of water quality in rivers and streams are<br />(A) Bacteria (B) Nutrients<br />(C) Metals (D) Total dissolved solids<br />(E) Algae Choose the most appropriate answer from the options given below :