Across
- 2. Mouth of a large river
- 3. What happens when you drink polluted water
- 10. The ability to maintain
- 11. Device used to remove impurities
- 12. Filter by changing liquids to a semi-solid
- 13. The % that Americans rely on drinking water
- 16. Something that contaminates enviroments
- 17. % of waste water that goes back into the oceans
- 18. Enviromental protection agency
- 19. Inflammatory condition of the liver
Down
- 1. Adding chlorine to kill viruses and disease
- 2. Subatomic particles
- 4. A policy reguarding water quality
- 5. The leading cause of water pollution
- 6. An official rule
- 7. Relating to water
- 8. water already used in industrial process
- 9. Without artificial or chemical additives
- 14. Type of chemical that is a major pollutant
- 15. The variety in a habitat or ecosystem