unit 5

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Across
  1. 5. create
  2. 7. lead
  3. 11. skyscraper
  4. 12. species
  5. 13. suffer
  6. 16. graze
  7. 17. population
  8. 19. sight
  9. 20. landscape
Down
  1. 1. protect
  2. 2. above
  3. 3. environment
  4. 4. challenge
  5. 6. recover
  6. 8. increase
  7. 9. electricity
  8. 10. common
  9. 14. habitat
  10. 15. pollution
  11. 18. destroy