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Across
  1. 4. Carbon
  2. 6. Atmosphere
  3. 7. Emissions
  4. 8. Biosphere
  5. 10. Radiation
  6. 11. Erosion
  7. 12. Ozone
Down
  1. 1. Lithosphere
  2. 2. Decomposition
  3. 3. Sedimentary
  4. 5. Soil
  5. 9. Extinction