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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Nimaa Nimaa
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9 years ago
In a municipal water treatment plant, the primary treatment step consists of ________.
A) filtering the sewage
B) chlorinating the sewage
C) adding bacteria to the sewage
D) letting sewage sit in large tanks so suspended solids settle out
E) stirring the sewage to increase oxidation
Textbook 
Essential Environment

Essential Environment


Edition: 4th
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JesuisMelJesuisMel
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9 years ago
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Nimaa Author
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9 years ago
Marking this topic solved, solid help.
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