Across
- 3. when a body of water becomes very rich in nutrients
- 4. all of the human and animal waste that comes from toilets, washing machines, and showers/sinks
- 5. the water between the clean water and sludge in a septic tank
- 6. the solid material from wastewater
- 8. a sudden change in the temperature of water
- 12. the amount of oxygen water uses at specific temperatures
- 13. the oil tanker that caused an oil spill
- 18. acids that come from rain and snow that attach to plants
- 19. forever chemicals
- 23. harmful chemicals that are used for rocket fuel
- 24. legislation that supports the protection of animals in water by restoring and maintaining
- 26. an area that diffuses waste not from a specific point
Down
- 1. the species that determine if pathogens are present in an ecosystem
- 2. small sewage treatment that houses that are far from cities have
- 7. where the largest dead zone is in north America
- 9. metal found in the water of Flint, Michigan
- 10. microorganisms that are in humans that can act as an indicator species
- 11. when humans change the temperature of water without chemicals
- 14. country with the most mercury emission
- 15. the ring that people place around oil spills
- 16. man-made pond that is filled with animal waste
- 17. state that is the size of the pacific garbage patch
- 20. what the company that is cleaning the garbage patch is turning the plastic into
- 21. area in the water that has low oxygen levels causing the water to be very dark with little life
- 22. the pipe section of a septic system
- 25. most common source of oil in the ocean