climate change

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Across
  1. 3. blanket,regulates temp
  2. 7. age low temps
  3. 10. hemisphere is facing sun, half passes through
  4. 11. warm period was 950-1250 bc
  5. 12. relationship CD concentration and global temps\
  6. 13. bubbles greenhouse gas estimate
  7. 14. period growing temps
  8. 15. - carbon dioxide methane
Down
  1. 1. thin layer of gases that surround the earth
  2. 2. period warmer climate
  3. 4. layer that produces weather
  4. 5. dioxide and nitrogen earths atmosphere
  5. 6. flow system mixing of warm and cool water
  6. 8. ice free floats
  7. 9. surfer volcanic eruptions