Coast's

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Across
  1. 1. the water that rolls back down a beach after a swash.
  2. 5. waves that erode the coast.
  3. 8. sediments/pebbles hitting each other making them smoother.
  4. 10. the waves washing up the beach.
  5. 11. the backwash is stronger than the swash.
  6. 12. when plant roots dig into rocks making them weaker.
Down
  1. 2. when strong waves hit the coast breaking rocks.
  2. 3. the swash is stronger than the backwash.
  3. 4. a wall built into the sea from the seashore to create a beach by trapping sand carried by longshore drift.
  4. 6. the movement of material in the sea and along the coast by waves.
  5. 7. waves throwing transported material/pebbles at cliffs.
  6. 9. a area with sand or pebbles along the shore.