Across
- 3. used to measure the past atmosphere
- 7. stabalizes green house gases
- 9. when climate is warmer and glaciers sink
- 11. permanent gas
- 13. ability that cyanobacteria evolved
- 14. global warming caused from melting glaciers
- 15. thin layer of gas that surrounds earth
- 16. bill that controls carbon pollution
- 17. changing natural processes of the earth
- 18. when did the little ice age take place
- 21. glaciers on land
Down
- 1. absorption of heat in the atmosphere
- 2. absorbs and retains carbon dioxide
- 4. adjusting lives to expected future climate
- 5. why carbon bill wasnt passed
- 6. when glaciers grow and advance
- 8. layer of insulation that contains ozone gases
- 10. layer that holds the air we breath
- 12. permanent gas
- 19. when did the medieval warm period take place
- 20. frozen sea water that floats