ecology

1234567891011121314151617181920
Across
  1. 2. which deteriorate
  2. 5. wooded animal only in canada
  3. 8. in the forest
  4. 9. variety of species
  5. 10. study of the environement
  6. 13. atmosphere
  7. 15. countrie
  8. 17. greenhouse gas
  9. 19. action of destroying many trees
  10. 20. color
Down
  1. 1. grill
  2. 3. that must be protected
  3. 4. international organisation for ecology
  4. 6. put forward
  5. 7. white
  6. 11. natural
  7. 12. same the robson mont
  8. 14. who was the there before
  9. 16. liquid who pollute
  10. 18. flamme