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4 Written questions

3 Multiple choice questions

  1. a widely spred source of pollution that tat cant be tied t a specific point
  2. is a measurement of how acidic or basic it is on a scale of 0 - 14.
  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. Sewagethat wastewater and the different kinds of wastes in it

          

  2. Sludgethat wastewater and the different kinds of wastes in it

          

  3. Water qualitythe addition of any substance that has a negitive effect on the water or any of the living things that depend on the water