Across
- 2. nonchemical pollution that changes the temperature in water because of anthropogenic reasons
- 4. naturally occurring in Earth's crust and toxic in drinking water
- 5. where most of the oil in the ocean comes from
- 8. legislation dedicated to restoring chemical, physical and biological properties in surface waters
- 9. PCB's are dubbed the _______ chemicals
- 12. harmful chemicals used for rocket fuel
- 14. a phenomenon in which a body of water becomes rich in nutrients phosphorus and nitrates
- 15. solid waste material from wastewater
- 16. continent that produces the largest World Mercury emissions
- 20. what is in the lining of old pipes that is toxic to pregnant women and children when drank
- 23. medical biowaste that interferes with aquatic endocrine systems
- 24. primary contributor to arsenic in stream and groundwater
- 25. indicator species for harmful microorganisms in sewage
- 26. killing of marine life because of temperature change
Down
- 1. method to controlling oil floating on the surface of the ocean
- 3. goes through sewage treatment, but for livestock
- 6. the standard of safe drinking water
- 7. world's largest oil spill
- 10. step in sewage treatment plants that aerates the water by adding oxygen
- 11. Mississippi river sewage and sediments into this area, causing a ________
- 13. ________ reactors use water to generate steam for cooling
- 17. cause turbidity in water to increase
- 18. beneficial to agriculture, but can be detrimental to unintended in organisms
- 19. Alaska tanker oil spill
- 21. aquatic top predators have high concentrations of _______ in their bloodstream
- 22. pharmaceutical drug with highest % found in streams
- 27. type of noise pollution that affects wales