Things I have learnt so far

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Across
  1. 7. A greenhouse gas
  2. 8. Part of the rock cycle
  3. 10. All living this use this
  4. 12. The main disrupter of the carbon cycle
  5. 14. A carbon sink
  6. 15. The living sphere
Down
  1. 1. A form of life uses this for energy
  2. 2. A greenhouse gas
  3. 3. Where carbon is stored in the cycle for a long time
  4. 4. Caused by greenhouse gases
  5. 5. Keep Earth warm
  6. 6. A greenhouse gas
  7. 9. The sphere that is water
  8. 11. When atoms combine
  9. 13. The sphere with gases