B2 2020 Pillai

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Across
  1. 2. pilots like to fly in this region because of less weather disturbance
  2. 4. average temperatures and precipitation of an area over a year
  3. 6. the general day to day conditions of an area
  4. 8. the heat waves directly falling on a surface and heating it up
  5. 9. the measure of how much water vapor is in the air
  6. 10. layers of air that surround Earth
  7. 13. the most abundant gas in the atmosphere
  8. 14. layer of the atmosphere in which we live
  9. 15. the largest man-made greenhouse gas
  10. 17. water turns into this state of matter when evaporated
  11. 19. layer a layer embedded in the stratosphere protecting us from UV radiation
  12. 22. this atmospheric layer has the aurora borealis
  13. 24. air pressure here is so low in this atmospheric layer that your blood can boil at regular temperature
  14. 25. the weight of all air pressing down on Earth's surface
  15. 27. gases that are trapped beneath the atmosphere and warm Earth up
Down
  1. 1. these rays penetrate DNA and damage our cells
  2. 3. when the air is full of water
  3. 5. warm air is ____ than cold air.
  4. 7. the measure of how hot or cold the air is
  5. 11. the sinking of cool air and the rising of hot air
  6. 12. the transfer of heat from one surface to another through an object
  7. 16. the gas released after photosynthesis is finished
  8. 18. the area over which an air mass formed/originated
  9. 20. cold air is ____ than warm air
  10. 21. the temperature at which the air would be completely saturated
  11. 23. large body of air with a uniform temperature and moisture content
  12. 26. a gas produced from the burning of fossil fuels