mason irvin unit 8 cross word

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Across
  1. 2. air pollutant: Direct pollutant
  2. 3. Mixed planting
  3. 6. Cancer-causing
  4. 8. system: On-site sewage
  5. 11. (CFCs): Ozone-depleting chemicals
  6. 13. area: Metropolitan
  7. 15. area: Countryside
  8. 16. Release
  9. 22. Slope farming
  10. 23. degradation: Land deterioration
  11. 24. Windbreak
  12. 27. cover: Terrain
  13. 29. Salt buildup
  14. 31. pollution: Atmospheric contamination
  15. 32. eutrophication: Nutrient overloading
  16. 36. hole: Atmospheric gap
  17. 37. disease: Novel
  18. 39. Protocol: Ozone protection
  19. 42. Radioactive
  20. 43. Watering
  21. 46. crop: Protective planting
  22. 47. pollution: Specific pollution
  23. 48. tide: Algal bloom
  24. 50. farming: Slope cultivation
  25. 51. Atmospheric haze
Down
  1. 1. City growth
  2. 4. Contamination
  3. 5. Excessive grazing
  4. 7. inversion: Atmospheric condition
  5. 9. Fibrous
  6. 10. Sewage
  7. 12. fuel: Carbon source
  8. 14. Plowing
  9. 17. bloom: Algae proliferation
  10. 18. Facilities
  11. 19. disease: Microorganisms
  12. 20. Accumulation
  13. 21. agriculture: Eco-friendly farming
  14. 24. Urban expansion
  15. 25. Amplification
  16. 26. Disease agent
  17. 28. Land desertification
  18. 30. Nerve-damaging
  19. 33. Insecticide
  20. 34. agriculture: Natural farming
  21. 35. rotation: Alternating crops
  22. 38. Developmental
  23. 40. source pollution: Diffuse pollution
  24. 41. use: Utilization
  25. 44. island: Urban heat
  26. 45. air pollutant: Indirect pollutant
  27. 49. deposition: Acid rain