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