Across
- 2. Water transport mechanism for pollutants
- 5. Material discarded after use
- 8. Substance present where it does not naturally occur
- 12. Warm air trapping polluted air near the ground
- 13. Artificial illumination that disrupts ecosystems
- 15. Unable to dissolve in water
- 20. Underground water transporting pollutants
- 23. Natural source of pollution caused by an opening in the Earth's crust
- 24. Pollution caused by excessive sound
- 26. Pollution that reaches the environment after transport
- 27. Toxic liquid heavy metal
- 28. Land pollution affecting soil
- 29. Toxic heavy metal
- 30. Able to dissolve in water
- 32. Salt accumulation in soil
Down
- 1. Movement of pollutants through the environment
- 3. Air pollution affecting the atmosphere
- 4. Water flowing over land carrying pollutants
- 5. Atmospheric process spreading pollutants
- 6. Pollution involving rivers lakes and oceans
- 7. Natural source of air pollution that is common in hot, dry environments
- 9. Harmful substances entering the environment
- 10. Communities of living organisms and their environment
- 11. Pollution source spread across a broad area
- 14. Particles that can carry contaminants
- 16. Harmful substance that causes pollution
- 17. Pollutants formed by chemical reactions in the atmosphere
- 18. Major fuel source that releases pollutants when burned
- 19. Pollution source from a single discharge location
- 21. Spread of pollutants from their source
- 22. Pollutants released directly into the environment
- 25. Pollution released immediately into the environment
- 31. Heavy metal pollutant affecting the nervous system