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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. a specific source of pollution that can be identified
  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. Septic tankan underground tank containing bacteria that treat wastewater as it passes through

          

  2. Filtrationduring primary treatment deposits of fine solids settle out from the wastewater

          

  3. nonpoint sourcea widely spred source of pollution that tat cant be tied t a specific point