Which are the three ingredients in activated sludge systems? Options: A . &nbspCells, sewage and oxygen B . &nbspCells, sewage and nitrogen C . &nbspSolids, sewage and oxygen D . &nbspSolids, water and oxygen

Which are the three ingredients in activated sludge systems?

Question

Which are the three ingredients in activated sludge systems?

Options:

A . Cells, sewage and oxygen

B . Cells, sewage and nitrogen

C . Solids, sewage and oxygen

D . Solids, water and oxygen

Answer: Option A
Answer: (a).Cells, sewage and oxygen

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