Science, asked by sahityajyothi, 4 months ago

Which one of the following is step in a wastewater treatment?
filtration
aeration
chlorination
All of the above

Answers

Answered by bitapisarma

7

Answer:

all the above

Explanation:

hope this answer was helpful

Answered by Dreamer2360

0

Answer:

ALL OF THE ABOVE

Explanation:

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