Across
- 4. / These many people don't have access to clean water
- 9. / Materials that do not dissolve in water
- 10. / This is an example of a chemical contamination
- 11. / This is one of the ways water gets affected
- 12. / Number of stages needed to clean water
- 13. / This is an example of a Biological contamination
- 15. / This type of contamination is visible and has microorganisms
Down
- 1. / Location of the largest aquifer
- 2. / Dissolved substances made from human activities and natural process
- 3. / Needs to be tested for harmful organisms
- 5. / This method kills harmful organisms
- 6. / This is an example of a Physical contamination
- 7. / This parasite gets removed when it goes through the fine membrane filters
- 8. / Drink this daily
- 10. / Canadians get their water from here
- 14. / This is a disinfect which is added to kill microorganisms