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4 Written questions

3 Multiple choice questions

  1. is a measurement of how acidic or basic it is on a scale of 0 - 14.
  2. during primary treatment deposits of fine solids settle out from the wastewater
  3. a widely spred source of pollution that tat cant be tied t a specific point

3 True/False questions

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


  2. Filtrationis the process of passing water through a series or screens that allow the water through but not larger solid particles


  3. Leach Feildthe aera around the septic tank that the water filters through