weathering and erosion

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Across
  1. 3. top layer of Earth's surface containing weathered rocks, minerals, and organic material
  2. 7. when physical forces break rock into smaller pieces
  3. 9. causes acids to form
  4. 11. the transport of weathered materials and sediments by water , wind , ice and gravity
  5. 12. process by which sediments are dropped by water , wind , water or ice
Down
  1. 1. changes solid rock into pieces
  2. 2. the transfer of rock into one or more new compounds
  3. 4. causes oxidation of metal mionerals
  4. 5. solid mixture of minerals
  5. 6. most important agent in weathering
  6. 8. particles of rock or minerals ranging in size from clay to giant boulders
  7. 10. exposed rock formations that are attached to the ground