The first step in the sewage-treatment process is _____. A-sedimentation B-the screening of large particles C-filtering through the grit chamber D-chlorination

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asked Oct 13, 2019 122k views

1 vote

The first step in the sewage-treatment process is _____.

A-sedimentation

B-the screening of large particles

C-filtering through the grit chamber

D-chlorination

Physics
high-school

Morteza Asadi asked

by Morteza Asadi

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2 Answers

3 votes

the answer is A hope it helps

Niels Henkens answered Oct 16, 2019

by Niels Henkens

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5 votes

Its B
......................

Neoswf answered Oct 18, 2019

by Neoswf

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