Pollution of Water

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Across
  1. 5. foreign materials that pollute water
  2. 6. suspended particles are made heavier using this
  3. 7. physical method of water purification
  4. 9. chemical method that kills microbes
  5. 10. water borne disease
Down
  1. 1. should be absent in safe drinking water
  2. 2. a major source of water pollution
  3. 3. a type of agricultural waste
  4. 4. chemical used for water purification
  5. 8. water fit for drinking