Alyssa's AMAZING crossword

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Across
  1. 5. the amount of sediment that a river or stream carries
  2. 6. a large channel in soil formed by waves
  3. 7. a person who studies fossils
  4. 9. a large mass of moving ice
  5. 10. a very slow, downhill movement
  6. 13. plant remains
  7. 14. my favorite band
  8. 17. a stream that flows into a larger stream
  9. 18. a material that is full of tiny air spaces that water can seep through
  10. 19. the layer of soil beneath topsoil
  11. 20. a large stream
Down
  1. 1. rock granite applies to this category
  2. 2. most destructive kind of mass movement
  3. 3. wind removes surface material
  4. 4. the process that breaks rocks down chemically
  5. 8. most common type of extrusive rock
  6. 11. a ridge formed by the till deposited by a glacier
  7. 12. dark colored organic material in soil
  8. 13. a wind-formed deposit made of fine particles of clay and silt
  9. 15. soil that is made of equal parts of clay, sand, and silt
  10. 16. a meander cut off from a river