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