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Last step in wastewater treatment is a _____________ process

A)Chemical
B)Biological
C)Physical
D)Mechanical

ps for aneetasarah and mmschulzul . ik you copy paste from the internet for my last questions

User Radu Szasz
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2 Answers

4 votes
The answer is Chemical
1 vote

Answer:

chemical

Step-by-step explanation:

User Mark Hatton
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