weathering

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Across
  1. 2. mechanical breaking down of bedrock into flat pieces
  2. 5. bedrock breaks in to flat pieces
  3. 7. formations that build up from the ground
  4. 9. rocks worn down because of friction
  5. 10. when roots get in between rocks and split it open
  6. 11. when rain fall collects co2 that makes it acidic
  7. 13. water gets into cracks and freezes and expanded
  8. 15. fromations that hung from the top of an cave
  9. 16. roof of an cave collapses
  10. 17. carries pieces of rock that will nockout other pieces of roc
Down
  1. 1. when and stalacgmite and stagmite meet
  2. 2. the force of wind and water pulls out lose pieces of rock
  3. 3. when an underground areus hollowed out by water
  4. 4. when water flows into an underground passage
  5. 6. orginal rock that is underneath the soil
  6. 8. Carries other pieces that will knockout other pieces when waves crash
  7. 12. when metals turn into there rust form
  8. 14. breaking down of an rock in their chemcial formula