Across
- 4. pollution that cannot be traced to one source
- 7. commonly known as trash or garbage (or rubbish in the UK)
- 8. contaminated liquid that has passed through garbage sites
- 11. when excess nitrogen and phosphorus gets into waterways
- 14. when too much water flows in a waterway
- 15. harmful chemicals that farmers use to keep bugs off their crops
Down
- 1. bacteria found in feces
- 2. the release of harmful substances into a body of water
- 3. an area of land where all surface runoff flows to a common body of water
- 5. can remain harmful to humans and radioactive for thousands of years
- 6. the burning of waste to produce heat/energy
- 9. the process of breaking down complex polluting material
- 10. a place where waste is disposed of by burying it or covering it with soil
- 12. nonhazardous solid waste that requires collection and transport
- 13. using biodegradation to reduce the amount of organic waste in landfills