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4 Written questions

3 Multiple choice questions

  1. the addition of any substance that has a negitive effect on the water or any of the living things that depend on the water
  2. that wastewater and the different kinds of wastes in it
  3. is a measurement of the substances in water besides water molecules.

3 True/False questions

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

          

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

          

  3. pHthat wastewater and the different kinds of wastes in it