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Home Q & A Board Biology-Related Homework Help Cell Biology
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asimpson77 asimpson77
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6 years ago
Which product of anoxic sewage treatment can be used to heat and power an entire water treatment facility?
 
  A) CO2
  B) H2
  C) CH4
  D) O2


Water leaving an efficient wastewater treatment facility ideally has a biochemical oxygen demand (BOD) between ________ units.
 
  A) 50 and 100
  B) 25 and 50
  C) 5 and 25
  D) 0 and 5


Microbes are sometimes used in secondary treatment of wastewater to
 
  A) convert heavy metals into carbon dioxide.
  B) remove organic matter.
  C) remove large particles.
  D) convert heavy metals into carbon dioxide, remove organic matter, and remove large particles.


Which statement BEST describes sewage and wastewater?
 
  A) Wastewater is a subset of sewage.
  B) Sewage is a subset of wastewater.
  C) Wastewater and sewage are virtually synonymous.
  D) Wastewater and sewage are both subsets of all liquid effluents from domestic and industrial sources.


Denitrification of fertilizer can result in harmful algal blooms.
 
  Indicate whether the statement is true or false.
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geography101geography101
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6 years ago
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asimpson77 Author
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6 years ago
Thanks
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