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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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barry barry
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Posts: 11630
Rep: 151 1
10 years ago
Secondary sewage treatment is designed primarily to ________.
A) remove the solids
B) pre-treat wastewater on its way to tertiary treatment
C) remove the dissolved organic matter
D) remove hazardous chemicals such as pesticides and heavy metals
E) remove all bacteria and microorganisms
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saviosavio
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10 years ago
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Biology - The only science where multiplication and division mean the same thing.

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wrote...
#2
10 years ago
Thanks   Grinning Face
barry Author
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#3
10 years ago
Great, marking this solved.
wrote...
#4
3 years ago
Thanks
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