B1 2020 Engelbrecht

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Across
  1. 1. livestock produces this gas
  2. 4. occurs in thermosphere, results from disturbances in magnetosphere from solar wind.
  3. 7. layer where pilots like to fly
  4. 11. what happens to pressure and density as altitude increases
  5. 12. heat source for stratosphere
  6. 13. gas that is released from leaking freezers
  7. 15. makes up 75% of the atmosphere
  8. 16. layer that burns up meteors
  9. 17. energy transmitted from the sun
  10. 18. makes up 21% of the atmosphere
  11. 20. effect where radiation gets trapped
  12. 21. measures pressure
  13. 22. a gas, effects weather and climate
  14. 23. gas that is produced from cars
Down
  1. 2. where do gases come from
  2. 3. the hottest layer
  3. 5. rays the ozone block
  4. 6. layer where weather occurs
  5. 8. makes up 93.5% of trace gases
  6. 9. absorbs up suns radiation
  7. 10. introducing harmful gases into the atmosphere
  8. 14. layer inside of the thermosphere
  9. 16. region in atmosphere where its magnetic field is predominant effective magnetic field.
  10. 19. produces smog and is extremely harmful