Across
- 2. sourced from earths crust, and in many rocks
- 7. an unexact location where pollution comes from
- 8. A group of compounds used to manufacture plastics that are harmful
- 10. the legislation that supports the protection of wildlife in and on water
- 12. a species that can determine whether or not a disease causing pathogen is present
- 15. a body of water where there is little life
- 17. contamination of sources of water due to human activity
- 20. the solid waste from wastewater
- 21. a body of water becomes far too rich in nutrients
- 22. this is leftover product from a variety of human operations
- 23. heavy metal found in seafood
- 24. oil contaminating water due to human activity
- 25. used to treat peoples water that live far away from cities
- 26. increase of nutrients of water due to human activity
- 27. ways of pollution from natural causes and substances
- 28. dramatic temperature change in water that can kill organisms
Down
- 1. usually linked to sewage, is commonly used as an indicator series
- 3. the less contaminated water in the sepctic tank
- 4. how much oxygen in water that is needed
- 5. a group of very farmful chemicals used in rocket fuel
- 6. underground pipes laid out below groundlevel
- 9. manure pond lined with rubber
- 11. thermal change and pollution in water due to humans
- 13. found in natural sources of drinking water, found in metal systems
- 14. an exact location where pollution is produced from
- 16. the container that receives wastewater from a house as a part of a septic system
- 18. the standard for safe drinking water
- 19. noise pollution harmful to aquatic life