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LuisJrB96 LuisJrB96
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6 years ago
At a wastewater treatment plant, the primary purpose of secondary treatment is to ________.
 
  A) remove the organic matter remaining in the wastewater
  B) remove bacteria and other pathogenic organisms
  C) remove the large solids
  D) remove toxic chemicals such as pesticides and heavy metals
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A Changing Planet

A Changing Planet


Edition: 1st
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SeitaSeita
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6 years ago
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LuisJrB96 Author
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6 years ago
This helped my grade so much Perfect
linlinlin
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Yesterday
Smart ... Thanks!
noodlelicker
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2 hours ago
You make an excellent tutor!
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