Weather

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Across
  1. 2. warm air overtaking cold air
  2. 4. layered cloud
  3. 5. condensed water vapor
  4. 6. a low pressure system
  5. 9. a warm stable air mass
  6. 10. water vapor cooling and forming clouds
  7. 11. a warm unstable air mass
  8. 15. wispy cloud
  9. 16. two cold air masses trapping one warm one from the ground
  10. 17. a form of water escaping back to Earth from the clouds
  11. 18. high pressure system
Down
  1. 1. the sun's radiation heating water and it being released into the air
  2. 3. a boundary seperating air masses of different density
  3. 4. a front where neither of the air masses move
  4. 6. a cold stable air mass
  5. 7. puffy cloud
  6. 8. a cold unstable air mass
  7. 12. water flow either on the surface or in the ground trying to reach sea level
  8. 13. evaporation from plants, plant sweat
  9. 14. cold air pushing up warm air