Across
- 3. agreement to phase out/ban CFCs
- 4. temp of air that sinks (more dense)
- 6. layer that contains weather events
- 7. thickest layer (northern & southern lights)
- 8. thin layer of gasses surrounding the earth
- 10. man-made soures of air pollution
- 12. short term pattern of temp
- 13. what does the ozone shield protect us from
- 16. result of rising ocean temps
- 17. pollutants released directly from the source
- 18. layer debated by scientists
Down
- 1. layer that contains the ozone shield
- 2. pollutants released after transformation
- 5. 6 most harmful pollutants (Clean Air Act)
- 9. result of water vapor picking up NOx & SOx
- 11. layer that breaks up small meteors
- 14. temp of air that rises (less dense)
- 15. long term pattern of weather