Weather patterns

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Across
  1. 4. The leading edge of a moving mass of warm air
  2. 6. Rain snow sleet or hail that falls from clouds
  3. 7. Distance, such as rain clouds and wind at a place or time
  4. 9. The amount of air that moves in a unit
  5. 10. How hot or cold something or somewhere is
  6. 12. When stays mostly the same
  7. 13. a region in the atmosphere where the pressure is low
  8. 16. The amount of water vapor in the air
  9. 17. Something that is repeated over and over
  10. 19. Where something comes from
  11. 20. The study of weather
  12. 21. The mixture of gases around a celestial body
  13. 22. The second layer of the atmosphere
Down
  1. 1. The scientific methods used to reconstruct and understand a mystery
  2. 2. The layer of the atmosphere where clouds from
  3. 3. A natural process where gases from earths atmosphere trap heat from the sun
  4. 5. To move from one place to another
  5. 8. have more air pressure than their surroundings
  6. 11. Water as a gas
  7. 14. Air transferring from high to low pressure
  8. 15. The air amount of air pushing down on you
  9. 18. The leading edge of a moving mass of cold air