Across
- 2. acronym for Polychlorinated biphenyls
- 4. an oil spill that happened off the coast of Alaska
- 7. when pollution comes from an area like a city or parking lot
- 9. a system used for toilet waste if not nearby a plant
- 10. residue from sewage plants
- 11. chemicals that are sprayed onto plants that prevent bugs from getting on them
- 15. governing pollution control and water quality of the Nation's waterways.
- 16. a type of bacteria that’s an indicator if there’s human waste in water
- 18. what occurs to marine life when the water temperature becomes too high.
- 20. water in the area is heated by man-made facilities like power plants.
- 22. a potential underground mine pollutant that affects water quality naturally
- 23. water that comes from human activities, like sewage, bath water, and laundry water.
- 24. holds toilet waste in areas far from cities
- 25. a large area where farms dump their animal waste
- 26. acronym for Maximum Contaminant Level
Down
- 1. lacks oxygen, dangerous for life
- 2. any one specific source of pollution that can be identified and that releases pollutants
- 3. trash or oil in water
- 5. deposition any type of precipitation that falls to the ground from the atmosphere and contains acidic elements, such as sulfuric or nitric acid, whether it is wet or dry.
- 6. how much oxygen is used by bacteria and other microbes to break down organic matter
- 8. a bill to protect water
- 12. contaminates the groundwater and the surface water
- 13. a metal
- 14. increases the quantity of plant and algae development in estuaries and coastal waterways when the environment is supplied with nutrients.
- 17. - when a body of water becomes rich in nutrients because of human interaction ex: fertilizers, sewage
- 19. acronym for Maximum Contaminant Level
- 21. acronym for Polychlorinated biphenyls