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castortr0y [4]
2 years ago
8

Water that is returned to the environment after secondary treatment is known as _____.

Biology
1 answer:
Alex2 years ago
8 0
<span>Effluent is a water that is returned to the environment after secondary treatment. It is a liquid waste that is discharged in the sea or river. It is also termed as a water that is treated or not which passes a sewer and treatment plant.</span>
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