weathering and erosion

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Across
  1. 3. tree roots can buckle sidewalks by this kind of mechanical weathering
  2. 6. caused by the expansion of freezing water in cracks
  3. 10. a mineral which is susceptible to chemical weathering where water is present
  4. 11. occurs
  5. 13. a naturally formed acid which forms when water dissolves atmospheric carbon dioxide
Down
  1. 1. the things that move weathered material
  2. 2. those that work to create or build new geologic formations
  3. 4. when a rock is broken up into smaller pieces compared to when it is whole the surface area _____
  4. 5. the breakdown of rocks which changes the chemical composition of the rock
  5. 7. a chemical reaction that changes feldspar into clay
  6. 8. the most important agent of chemical weathering
  7. 9. the downslope movement of material
  8. 12. the force which is the cause for mass wasting