B2 2021 Matthew Castonguay

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Across
  1. 2. chemicals containing atoms of carbon, chlorine, and fluorine.
  2. 7. Created oxygen.
  3. 10. Most common ghg created by humans.
  4. 12. aurora borealis occur here.
  5. 17. Layer of the atmosphere with weather.
  6. 18. .8% of ghg.
  7. 21. Also called northern lights.
  8. 22. Rocks that burn up in the mesosphere.
  9. 23. These mammals created new ghg's.
  10. 24. 10% of ghg's.
  11. 25. meteorites burn up here.
  12. 26. Gases in our atmosphere like Co2 trap heat in the earth so that the earth keeps getting warmer.
Down
  1. 1. These natural disasters admitted ghg's.
  2. 3. Humans use these but they admit ghg's.
  3. 4. 21% of atmospheric gases.
  4. 5. Manmade structures that release ghg's.
  5. 6. Most common ghg.
  6. 8. the heating of the earth due to human activity.
  7. 9. Surrounds our Earth in a bubble of gas.
  8. 11. protects us from UV rays.
  9. 13. 1% of atmospheric gas.
  10. 14. Layer with the ozone layer.
  11. 15. 6% of ghg.
  12. 16. Outermost layer, past the thermosphere.
  13. 19. In the stratosphere, the temperature ____ as you increase altitude.
  14. 20. Most abundant atmospheric gas.
  15. 26. Gases that warm up our planet.