Pollution - U2 AOS1

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