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Jaheller

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Secondary sewage treatment is designed primarily to ________.

A) remove hazardous chemicals such as pesticides and heavy metals
B) pretreat wastewater on its way to tertiary treatment
C) remove the dissolved organic matter
D) remove all bacteria and microorganisms
E) remove the solids

Marked as best answer by Jaheller

DebiWebi

  • PhD Member
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C

John Doe

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Awesome help, super fast!



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