Esp AP - Vocablos de C y T

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Across
  1. 2. scientist
  2. 5. research, investigation
  3. 9. effect
  4. 11. erruption
  5. 12. astronomy
  6. 14. planet
  7. 15. harmful
  8. 17. time period
  9. 19. species
  10. 21. environment
  11. 23. discovery
Down
  1. 1. technological
  2. 3. crisis
  3. 4. contamination
  4. 6. elements
  5. 7. decade
  6. 8. to destroy
  7. 10. destruction
  8. 11. ozone cap
  9. 13. to affect
  10. 16. land, soil, earth
  11. 18. evidence
  12. 20. climate
  13. 22. the ground