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Describe the steps used by conventional sewage treatment plants to break down our sewage into a relatively safe effluent that gets dumped into a river, lake, or ocean.

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Answer:

the soild material is allowe to settle into a sludge layer the remaining waste water undergoes a secondart treatment that uses bacteria to break down organic matter

treat water is left to sit while particles settle out, with settle d particles being added to sluudge,

water is disinfeted

Explanation:

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