Across
- 2. water turns into a different color when there is an overgrowth of algae
- 3. a place that holds waste from livestock
- 5. a heavy metal that is very toxic to organisms
- 8. a type of bacteria that can cause disease
- 11. a system that is is small and simple, used for homes in rural areas
- 12. a place where there is no life or oxygen
- 15. when a body of water has an increase in fertility
- 16. a bacteria found in lower intestines of warmblooded organisms
- 17. when humans contaminant a body of water
- 18. a type of pollution that occurs when there is a big change in water temp.
- 19. the layer of clear water in the middle of a septic tank
- 21. waste in solid form from wastewater
- 22. a diffuse area the makes pollution
- 25. the largest oil spill
Down
- 1. a liquid produced by humans and livestock from sewage from toilets and gray water.
- 4. when a toxic substance is polluted into the ocean
- 6. one of the largest environmental disasters in U.S. history that happened in Alaska
- 7. the heavy metal that can dissolve into ground water
- 9. the section where the wastewater from a house goes to
- 10. a part of the septic system, consisted of underground pipes
- 13. an area from where pollution is produced
- 14. a harmful algal bloom
- 20. A certain area becomes rich in nutrients
- 23. the heavy metal that releases from the burning of coal
- 24. a system using technology to navigate and measure distances underwater
