The Atmosphere

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Across
  1. 4. the troposphere is full of ______
  2. 6. very cold layer
  3. 8. each layer has its own ______
  4. 12. the atmosphere is composed of several ____.
  5. 13. the atmosphere protects us from _____.
  6. 16. _____ can be trapped in the atmosphere
  7. 17. a gas in the atmosphere
  8. 18. 21% of the atmosphere
  9. 19. water ____ and rises into the atmosphere
  10. 20. the atmosphere affects ____.
  11. 21. a gas in the atmosphere
Down
  1. 1. very hot layer
  2. 2. the atmosphere is made of different ____.
  3. 3. the sun's ___ are absorbed by the atmosphere
  4. 5. layer that contains ozone
  5. 7. it protects us from the sun's _____.
  6. 9. the atmosphere _____ air and water
  7. 10. layer closest to the surface
  8. 11. caused by uneven heating
  9. 14. provides life with essential _____
  10. 15. very thin layer with widely dispersed particles