Geography

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Across
  1. 5. the area of a river near the mouth which is affected by the tides
  2. 7. the area of high land forming the edge of a river basin
  3. 9. when rocks and stones knock together and wear eachother away
  4. 10. something that does not allow fluid to pass through
  5. 13. where a river behins
  6. 14. a small river that joins a larger river
  7. 15. when a river deposits the sediment it is carrying
  8. 17. water is stored in porous rocks
  9. 18. the point at which 2 rivers meet
  10. 19. water vapour releases from trees and plants
  11. 20. when heavier material is carried along the bottom
Down
  1. 1. where a river meets the sea
  2. 2. when sand and stones in the river scrape the bed and banks causing it to wear them away
  3. 3. when a river loses energy and drops some of the material it’s carrying
  4. 4. the movement of sediment down a river channel
  5. 6. something formed as water flows over the river banks during a flood
  6. 8. an erosive landform
  7. 11. something capable of being permeated
  8. 12. something formed as the river erodes from horizontally across the valley floor
  9. 16. the wearing down or removal of material by water, ice or wind