English, asked by rrajivlogin, 6 months ago

7. What is the solid waste that settles at the bottom in the primary treatment of
wastewater called?
a. Sludge
b. Clarified water
C. Scum
d. Compost​

Answers

Answered by febinsiju2005mathew
1

Answer:

A is correct answer

I hope that it is correct

Answered by shradha2312
3

Answer:

Sludge is the correct answer

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