unit 7 vocab

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Across
  1. 3. cloud
  2. 4. carbondioxide
  3. 5. weather
  4. 8. atmosphere
  5. 9. mesosphere
  6. 11. density
  7. 12. ionosphere
  8. 13. nitrogen
  9. 18. altitude
  10. 19. oxygen
  11. 20. argon
  12. 21. hurrican
  13. 22. watervapor
Down
  1. 1. trophosphere
  2. 2. airpressure
  3. 3. climate
  4. 6. stratosphere
  5. 7. thermosphere
  6. 10. exosphere
  7. 14. tornado
  8. 15. gravity
  9. 16. meteorology
  10. 17. turbulence