The Carbon Cycle

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Across
  1. 3. Its wet
  2. 4. Layer of Gases
  3. 8. Use Photosynthesis
  4. 11. Burning
  5. 13. Decay
Down
  1. 1. Living things on earth
  2. 2. Rocks and minerals
  3. 5. exchange of oxygen and carbon dioxide
  4. 6. The process that plants use to create energy
  5. 7. An element that humans breathe
  6. 9. An important part of the Carbon cycle
  7. 10. Bones
  8. 12. A layer of chemicals in the atmosphere