Across
- 3. absorbs and scatters ultraviolet radiation
- 6. glaciers are growing
- 8. took place in 950-1250 C.E
- 10. CO2 does this May-Sept seasons
- 12. periodic warming and cooling of surface ocean temperatures in the Pacific
- 14. period of earths low surface temperature
- 15. ice in the sea
Down
- 1. contains the air we breathe
- 2. glaciers are shrinking
- 4. CO2 does this Oct-Apr seasons
- 5. ice on land
- 7. thin layer of gases that surrounds earth
- 9. one of the greenhouse gases
- 11. main proxy drilled into glacier Has a trunk
- 13. 78.1% of atmosphere composition