Which of the following is an alternate form of sewage treatment?
(a) Sludge management
(b) Septic tank
(c) Activated sludge management
(d) None of this
Answers
Answered by
5
Answer:
There are three main stages of the wastewater treatment process, aptly known as primary, secondary and tertiary water treatment. In some applications, more advanced treatment is required, known as quaternary water treatment.
Answered by
2
Answer:
D. none of this
Explanation:
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