Science Terminology

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Across
  1. 3. cycle co2 cycle
  2. 7. 3rd Atmosphere
  3. 10. conclusive
  4. 13. 2nd Atmosphere
  5. 16. age icy time
  6. 17. looking for gold
  7. 19. Layer o3 Layer
  8. 20. 4th Atmosphere
  9. 21. Dioxide co2
Down
  1. 1. thunder and rain
  2. 2. summarise with arrows
  3. 4. biotic range
  4. 5. change CC
  5. 6. co2 --> oxygen
  6. 8. A sphere
  7. 9. tree
  8. 11. co2 sea weed process
  9. 12. 1st Atmosphere
  10. 14. hot and burn
  11. 15. level height of ocean
  12. 18. black mining
  13. 19. surface top of ocean