climate change

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