Climate Crossword

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Across
  1. 3. volcanoes and solar variations
  2. 4. radiation from the very hot objects, the sun
  3. 5. radiation from cooler objects, the earth
  4. 8. the average of weather
  5. 9. watery part of the climate
  6. 10. load a climate model onto this
  7. 12. we are not entirely sure
  8. 13. in retreat
  9. 15. Greenhouse gas
Down
  1. 1. natural thermometers!
  2. 2. Greenhouse gas
  3. 6. contain bubbles of ancient atmosphere
  4. 7. Breathable part of the climate
  5. 11. Greenhouse gas
  6. 14. Level rising steadily upwards