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Author Question: _____ treatment of wastewater often involves the use of trickling filters, activated sludge tanks, ... (Read 84 times)

vicotolentino

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on: Aug 2, 2018
_____ treatment of wastewater often involves the use of trickling filters, activated sludge tanks, and various ponds.
 
  a. Primary
  b. Secondary
  c. Tertiary
  d. Final

Question 2

Common _____ processes use a variety of mechanical means such as screw presses, belt presses, and vacuum filters.
 
  a. eradicating
  b. unclogging
  c. desolidification d. dewatering


aruss1303

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Reply #1 on: Aug 2, 2018
Answer to Question 1

b

Answer to Question 2

d


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