What would happen if oxygen availability to activated sludge flocs is reduced ?

Options

A. It will slow down the rate of degradation of organic matter
B. The center of floes wi!I become anoxic, which would cause death of bacteria and eventually breakage of floes
C. Floes would increase in size as anaer- obic bacteria would grow around floes.
D. Protozoa would grow in large numbers

Answer

b