Climate change

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Across
  1. 2. calculated by averaging the temperature
  2. 4. effect by absorbing radiation
  3. 6. derived directly from living matter
  4. 10. planets lower atmosphere
  5. 11. growing crops
  6. 12. weather conditions
Down
  1. 1. flammable
  2. 3. natural gas
  3. 5. mass or river of ice
  4. 7. layer of ice
  5. 8. state of atmosphere
  6. 9. reduction in ph