General Health Measures

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Across
  1. 2. killing bacteria so that water is more drinkable
  2. 3. another word for getting a shot
  3. 4. removing particles from water
  4. 6. the process of removing algae
  5. 8. a substance that fights bacteria
  6. 9. capable of spreading diseases
  7. 12. a sickness or illness
Down
  1. 1. the process of removing salt from water
  2. 5. tablets things campers use to purify water
  3. 7. these are found in water when it has not been disinfected
  4. 10. another word for a needle
  5. 11. something that takes over a cell to reproduce