Across
- 7. levels of something that is higher in the winter and lower in the summer
- 9. dense dry area that contains ozone layer
- 10. gases that surround the into a thin layer
- 14. time period from 950-1250ce that was colder than normal
- 15. proxy used to measure the past atmosphere of the earth
Down
- 1. strategies created to lower emissions and control the greenhouse gasses levels currently in the atmosphere
- 2. darker areas on the sun’s surface created by intense magnetic fields.
- 3. the process of adjusting our way of life so that we can help protect our climate and environment
- 4. layers of ice on land
- 5. place where the daily atmospheric carbon dioxide concentrations are measured
- 6. period of time when earth's surface was ice
- 8. space on earth that increases from melting ice sheets
- 11. the weather and the air we breath
- 12. carbion dioxide and methane are the main two___
- 13. frozen sea water