Across
- 2. An area where water systems were formed by the runoff of rain and snow from the land, streets, and mountains in a particular region.
- 5. The removal of particles and tiny organisms by forcing the water through materials that have very small holes.
- 7. Diffuse area that produces pollution
- 8. When there is too much nutrients in the water
- 10. Solid waste material from wastewater
- 12. the contamination of water sources.
Down
- 1. a body of water where the area has extremely low oxygen concentration and very little life
- 3. The amount of a substance in the water.
- 4. The most diffuse of all and impacts large swaths of the environment.
- 6. Distinct location from which pollution is directly produced
- 9. Substances which plants and animals use for food.
- 10. The wastewater from bathrooms and factories.
- 11. Chemicals or other waste from factories which is dumped into the environment.