Across
- 3. where satalites are
- 5. make up most of the atmospheres gases
- 7. released through natural processes
- 9. the process of earths ocens rising
- 13. a layer in the atmoshpere where weather happens
- 16. consists of the main gases to live
- 19. outer most layer into space
- 20. gases that trap heat
- 21. burn up in the mesoshpere
- 22. most abundant gas
Down
- 1. change caused by human activity
- 2. Synthetic compounds entirely of industrial origin
- 4. katrina and sandy
- 6. layers that make up the atmosphere
- 8. makes up 0.1 percent of the atmospehere
- 10. where planes fly
- 11. gas we need to live
- 12. when the sun bombards the earth with a lot of radiation
- 14. used as fuel
- 15. produced by soil cultivation
- 17. weight of air on us
- 18. the layer that protects the earth
- 21. where meteros melt