Climate and weather review

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Across
  1. 1. chemicals that destroy the ozone layer
  2. 6. polar dry and cold air
  3. 10. how far north or south of the equator
  4. 11. UV radiation protection in stratosphere, pollutant at ground level
  5. 12. polar wet and cold air
  6. 13. location of ozone layer
  7. 15. part of atmosphere where weather occurs
  8. 16. second most abundant gas in Earth's atmosphere
  9. 17. surface features of the Earth, natural and man-made
  10. 19. height of land above sea level
  11. 21. poor weather, counter-clockwise rotation of air
Down
  1. 1. tropical dry and warm air
  2. 2. air mass changes in properties over time
  3. 3. good weather, clockwise rotation of air
  4. 4. current conditions in the atmosphere at a given place and time
  5. 5. tropical wet and warm air
  6. 6. expected weather conditions in a given location based upon many years of observation
  7. 7. most abundant gas in Earth's atmosphere
  8. 8. a boundary between air masses
  9. 9. coldest layer of the atmosphere
  10. 14. how far east or west of the prime meridian
  11. 18. distance above Earth's surface
  12. 20. large body of air with uniform temperatures and moisture