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