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