Across
- 5. Wastewater containing human and industrial waste.
- 7. Low-pH precipitation that harms lakes and forests.
- 10. Biochemical oxygen demand; organic pollution in water.
- 11. Point-source pollution comes from a single identifiable outlet.
- 12. Non-point pollution carried by rain into waterways.
- 14. Fertilizer nutrient linked to eutrophication.
- 15. Hydrocarbon spill pollutant common in aquatic ecosystems.
Down
- 1. Photosynthetic organisms; overgrowth signals eutrophication.
- 2. Waste that poses substantial threats to health or the environment.
- 3. Aerobic decomposition of organic waste.
- 4. Engineered site for burying municipal solid waste.
- 5. Semi-solid residue from wastewater treatment.
- 6. Water overloaded with nutrients, often causing algal blooms.
- 8. Highly toxic persistent organic pollutant.
- 9. Ecosystem that filters pollutants; often damaged by runoff.
- 13. Poisonous substance that can contaminate water or soil.