U3 - THE WONDERS OF NATURE

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Across
  1. 6. death of a species
  2. 7. synonym of animal
  3. 9. huge, very big
  4. 11. the protection of the natural environment
  5. 13. happen
  6. 14. synonym of worried
  7. 16. 1.000.000.000.000
  8. 17. when you ruin something
Down
  1. 1. synonym of rule
  2. 2. what humans do to destroy the environment
  3. 3. synonym of ruin
  4. 4. important
  5. 5. great, amazing
  6. 8. synonym of build
  7. 10. the way you feel, smell, see, hear, touch
  8. 12. the natural world
  9. 15. stay alive
  10. 18. thing