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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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yncr yncr
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6 years ago
In a municipal water treatment plant, the primary treatment step consists of ________.
 
  A) letting sewage sit in large tanks so suspended solids settle out
  B) adding bacteria to the sewage
  C) stirring the sewage to increase oxidation
  D) filtering the sewage
  E) chlorinating the sewage
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andreamorenctandreamorenct
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6 years ago
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Ctownsend
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6 years ago
Good timing, thanks!
zbmallo3
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Yesterday
Thanks
choih94
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2 hours ago
Helped a lot
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