B2 2021 Matthew Castonguay
Across
- 2. chemicals containing atoms of carbon, chlorine, and fluorine.
- 7. Created oxygen.
- 10. Most common ghg created by humans.
- 12. aurora borealis occur here.
- 17. Layer of the atmosphere with weather.
- 18. .8% of ghg.
- 21. Also called northern lights.
- 22. Rocks that burn up in the mesosphere.
- 23. These mammals created new ghg's.
- 24. 10% of ghg's.
- 25. meteorites burn up here.
- 26. Gases in our atmosphere like Co2 trap heat in the earth so that the earth keeps getting warmer.
Down
- 1. These natural disasters admitted ghg's.
- 3. Humans use these but they admit ghg's.
- 4. 21% of atmospheric gases.
- 5. Manmade structures that release ghg's.
- 6. Most common ghg.
- 8. the heating of the earth due to human activity.
- 9. Surrounds our Earth in a bubble of gas.
- 11. protects us from UV rays.
- 13. 1% of atmospheric gas.
- 14. Layer with the ozone layer.
- 15. 6% of ghg.
- 16. Outermost layer, past the thermosphere.
- 19. In the stratosphere, the temperature ____ as you increase altitude.
- 20. Most abundant atmospheric gas.
- 26. Gases that warm up our planet.