Your going to get it wrong

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Across
  1. 4. ridge formed by till deposited at the edge of a glacier
  2. 7. something changing overtime
  3. 10. a beach formed by longshore drift which looks like a finger in the water
  4. 11. wind formed deposit made of particles of clay and silt
  5. 14. an old eroded rock surface is in contact with newer rock
  6. 16. type of movement of water that moves every way
  7. 18. movement of water and sediment down a beach
  8. 19. igneous rock layer formed when lava flows onto Earth's surface
  9. 20. land where a river and its tributaries collect water
  10. 21. Earth's solid rock outer layer
Down
  1. 1. wide valley which a river flows
  2. 2. water that flows over ground
  3. 3. the grinding away of rock
  4. 5. cone-shaped calcite that hangs form a ceiling of a cave
  5. 6. preserved remains or traces of living things
  6. 8. tiny grove in soil
  7. 9. a glacier that picks up rocks as it flows over land
  8. 12. management of soil to prevent its destruction
  9. 13. the amount of sediment that a river carries
  10. 15. best player in AAA
  11. 17. material that's full of tiny connected air spaces