sci vocab

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Across
  1. 3. layer surronds earth
  2. 4. humans need to live
  3. 6. (rain) is an example of
  4. 8. outer layer of thermosphere
  5. 10. greatest in the atmosphere
  6. 11. destroys metors
Down
  1. 1. when a liquid turns into a liquid
  2. 2. the closes layer to space
  3. 5. plants breath to make oxygen
  4. 7. weather only happens here
  5. 9. only in troposphere
  6. 12. fog+smoke=