Earth and Science

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Across
  1. 3. gas gaints
  2. 5. rocky
  3. 7. thumbnail
  4. 8. decomposed
  5. 10. leaves
  6. 13. oldest layer
  7. 14. earth
  8. 15. newest layer
Down
  1. 1. earth in front
  2. 2. sun
  3. 4. isaac newton
  4. 6. natural gas
  5. 7. banana
  6. 9. moon in front
  7. 11. affected by gravity
  8. 12. snow