Across
- 4. polluting or poisoning
- 7. Toxic element
- 8. rot or compose
- 11. measure of acidity
- 12. disorder causing physical symptoms
- 13. movement from water from ground to surface
- 14. movement of water from soil
- 17. contamination of something
- 18. recent water crisis
- 19. waste water
- 20. affected with a disease-causing organism
Down
- 1. to contaminate or pollute
- 2. from vapor to liquid
- 3. where water is stored
- 5. bacteria in feces
- 6. from liquid to vapor
- 9. precipitation with acid components
- 10. water running down a surface
- 15. liquid flowing out of a system
- 16. poisonous
- 19. solid to gas state