Carbon cycle

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Across
  1. 4. process which transforms inorganic carbon into organic carbon
  2. 7. burning, produces carbon dioxide
  3. 8. matter is ____________________
  4. 10. place where matter accumulates
  5. 12. non-living/the slow part of the carbon cycle
  6. 13. gas used by plants to make food
Down
  1. 1. the biggest carbon sink
  2. 2. glucose is transformed into carbon dioxide and energy
  3. 3. rock made of calcium carbonate
  4. 5. a fossil fuel
  5. 6. ultimate source of energy for the carbon cycle
  6. 7. carbon undergoes __________ change as it moves through the carbon cycle
  7. 9. when consumers die and their carbon returns to the producers
  8. 11. living/the fast part of the carbon cycle