Reuben crossword

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Across
  1. 1. the weakening of rock by plants or animals digging underneath
  2. 5. the backwash is more powerful than the swash and so drags beach material of when the waves recede
  3. 7. waves crashing against the cliff and causes the rock to break apart
  4. 9. the process of wary away by friction
  5. 10. the process of wearing away by wind water or other natural agents
  6. 12. the process of layers of the rock being peeled of
  7. 13. the water that rushes up the beach
  8. 14. the length over which the wind has blown
Down
  1. 2. waves bring up materials and dump it on the beach without 'capturing it with the backwash
  2. 3. the erosion of rocks caused by chemical reactions
  3. 4. when water continually seeps into cracks, freezes and expands, eventually breaking the rock apart
  4. 6. moving someone or something from one place to another
  5. 8. the process of wearing/scraping something away
  6. 11. the water that runs back down the beach