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4 Written questions

3 Multiple choice questions

  1. during primary treatment deposits of fine solids settle out from the wastewater
  2. is the process of passing water through a series or screens that allow the water through but not larger solid particles
  3. the addition of any substance that has a negitive effect on the water or any of the living things that depend on the water

3 True/False questions

  1. point sourcea specific source of pollution that can be identified

          

  2. nonpoint sourcea specific source of pollution that can be identified

          

  3. Septic tankan underground tank containing bacteria that treat wastewater as it passes through

          

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