Across
- 3. something that you ingest when you eat seafood and is bad for pregnant women
- 6. an insecticide used in agriculture.
- 7. a law passes for the standard for safe drinking water
- 8. compound that occurs naturally in earths crust
- 9. this pollutuon will could interfere with animal communication
- 11. a way to clean up an oil spill with these floatable devices.
- 12. the amount of oxygen a quantity of water uses over a period of time at specific temperatures.
- 13. a type of pollution that is nonchemical and occurs with substantial changes in water temperatures
- 18. where sludge sinks to the bottom of the tank
- 20. the massive tanker oil spill
- 22. extremely rich in nutrients
- 23. solid waste
- 24. a tank that holds all the waste for a house far from a city
- 25. a place where human waste gets extracted from water.
Down
- 1. a massive change in water temperature that can kill organisms
- 2. where bacteria breaks down the remaining sludge.
- 4. where people's waste goes if they live in the middle of nowhere
- 5. Extreme low oxygen where almost everything dies
- 10. compounds used to make plastics
- 14. a human-made pond full of manure
- 15. acids brought to earth as rain nor snow
- 16. water travels through these types of pipes and if there is a crack in the pipe it could contaminate the water with this type of metal
- 17. made up of underground pipes laid out below the surface of the ground.
- 19. chemicals used for rocket fuel
- 21. Contaminants in streams, rivers, and lakes due to human activity