Across
- 2. where chemicals are pumped through the filtered sewage to clean the bacteria out of it
- 4. what happens to marine animals when the water becomes too warm.
- 8. water that comes from human activities, like sewage, bath water, and laundry water.
- 9. when a body of water becomes rich in nutrients
- 11. a large area where farms dump their animal waste
- 13. heating surrounding water due to manmade structures, like power plants.
- 17. the amount of oxygen a certain amount of water uses at specific temperatures
- 18. a water contaminant that harmed people in Flint, Michigan and can get into the system because of pipes.
- 19. chemicals that are sprayed onto plants that prevent bugs from getting on them
- 20. a natural water contaminant that can be added through mining underground
- 21. drugs that enter bodies of water as a result of pee and are turning animals from male to female
- 23. a type of bacteria that’s an indicator if there’s human waste in water
- 24. when pollution comes from an area like a city or parking lot
Down
- 1. the first step in water treatment, where the waste sinks to the bottom and it’s filtered.
- 3. an area in water that has little oxygen and life.
- 5. the part of a septic system that holds the water underground
- 6. a way of cleaning up oil spills that we used during the lab
- 7. how Carlsbad treats their water
- 10. a species that shows the current state of an ecosystem
- 12. a distinct source where pollution is coming from, like factories or oil refineries.
- 14. - when a body of water becomes rich in nutrients because of human interaction ex: fertilizers, sewage
- 15. underground pipes that are part of a septic system that help filter out contaminants.
- 16. if people are connected to a city sewer system, they probably have this to treat their wastewater
- 22. an oil spill that happened off the coast of Alaska