Across
- 2. forever chemicals
- 6. a small and simple sewage treatment system
- 8. a component of a septic system, made up of underground pipes laid out below the surface of the ground
- 10. acids deposited on Earth as rain and snow or as gases and particles that attahc to the surface of plants, soil, and water
- 13. harmful chemicals in plastic
- 14. species that is an indicator of the health of the ecosystem
- 15. a method of containing oil spill
- 18. causes brain damage
- 21. found underground and causes cancer
- 22. from burning coal harms the nervous system
- 23. a distinct location from which pollution is directly produced
- 24. the amount of oxygen in a body of water used over a period of time at a specific temperature
- 25. what animals exposed to hot water experience
Down
- 1. type of pollution that kills whales and dolphins
- 2. harmful chemicals in rocket fuel
- 3. type of chemical used in manufacturing which causes cancer
- 4. solid waste material from wastewater
- 5. a large container that recieves wastewater from a house as part of a septic system
- 7. a species that indicates whether or not disease-causing pathogens are likely to be present
- 9. an increase in fertility in a body of water
- 11. in a body of water, an area with extreamly low oxygen concentration and very little life
- 12. a layer of fairly clear water found in the middle of a septic tank
- 16. a diffuse area that produces pollution
- 17. human-made pond lined with rubber built to handle large quantities of manure produced by livestock
- 19. water including sewage and gray water from bathing
- 20. pollution from hot water