Science, asked by Barira7th, 4 months ago

which of the following is a step in wastewater treatment
a.Aeration
b.Filtration
c.Chlorination
d.All of these

Answers

Answered by isthatJhnvy

6

Answer:

(d) All of these is the correct answer.

Explanation:

Hope it helps! :)

Answered by sakash20207

2

Aeration is the step in waste water treatment.

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