1.

What would happen if oxygen availability to acitivated sludge flocs is reducedA. It will slow down the rate of degradation of organic matterB. The centre of flocs will become anoxic, which would caouse death of bacteria and eventually breakage of flocsC. Flocs would increases in size s anaerobic bacteria would grow around flocsD. Protozoa would grow in large numbers

Answer» Correct Answer - B


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