6th period crossword

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Across
  1. 3. the breaking down of something over a period of time
  2. 7. when water gets into a rock and freezes
  3. 8. soil that has moved
  4. 9. strips where rock has eroded
  5. 11. when water is left somewhere and after time creates a rivot
  6. 13. When you change the molecules inside a rock
  7. 14. the layers of soil
Down
  1. 1. what causes rocks to break
  2. 2. dirt
  3. 4. when you remove soil with water sitting
  4. 5. soil that has not moved
  5. 6. How it feels outside
  6. 10. when oxygen combines with other things
  7. 12. moving something