Question

Sludge in separate tank is decomposed by 

A. Animals

B. Microorganisms

C. Plants

D. Both plants and animals

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Answer 1

Answer:

Sludge is collected by a scrapper. It is transferred to a separate tank where it is decomposed by the anaerobic bacteria. The biogas produced in the process can be used as fuel. After the aerator tank, microbes and human waste settle down and form activated sludge.

ᕼOᑭE IT ᕼEᒪᑭᔕ YOᑌ

Answer 2

Answer:

Sludge in separate tank is decomposed by  : B. Microorganisms