Vocab Crossword

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Across
  1. 1. to solve
  2. 3. to replace
  3. 6. invention
  4. 8. to keep informed
  5. 9. to protect
  6. 11. to fly
  7. 12. to decrease
  8. 13. sustainable
  9. 14. responsible
  10. 15. to vote
Down
  1. 2. to reuse
  2. 4. to become extinct
  3. 5. to breathe
  4. 7. to value
  5. 10. to improve