Question

name the two group of organism which constitute flocs .write their influence on the level of BOD during biological treatment of sewage​

Answer 1

Answer:

The bacteria and fungal mycelium constitute flocs. These microorganisms bring about the decomposition aerobically of the major part of organic matter in primary effluent and thus helps in lowering the BOD (Biological Oxygen Demand) of the effluent.

Explanation:

pls mark me as a brainliest