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BotanyNEET 2020Sewage treatment, biogas, biocontrol and biofertilisers

Microbes in Human Welfare

Which of the following is put into the anaerobic sludge digester for further sewage treatment?

  1. A.Primary sludge
  2. B.Floating debris
  3. C.Effluents of primary treatment
  4. D.Activated sludge✓

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

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