my crossword

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Across
  1. 4. when rivers, ice, waves or wind pick up rocks ad use them to wear away land
  2. 5. a type of weathering when rock is broken up by ice, heat or cold
  3. 6. all sorts of beach material
  4. 7. when the waves pick up beach materials and hurl them at the base of a cliff
  5. 9. the water that rushes up the beach during a wave is called...
  6. 11. the most common wind direction
  7. 12. waves move in a ... pattern
  8. 13. the distance over which the wind has blown
Down
  1. 1. waves break in shallow water, this is due to...
  2. 2. a type of weathering when rock reacts with air and water
  3. 3. when eroded material is moved
  4. 8. the process of rocks bumping into each other and breaking up into smoother, more rounded pieces
  5. 10. water rolling back into the sea after wave is called the...