Weathering, Erosion, Deposition and Soil

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Across
  1. 1. a land form created by rivers
  2. 3. the amorphous, ordinarily dark colored, colloidal matter in soil; a complex of the fractions of organic matter of plant, animal, and microbial origin that are most resistant to decomposition
  3. 6. the upper layer of soil
  4. 11. Rain acid precipitation falling as rain
  5. 12. Wedging a collective term for several mechanical weathering processes induced by stresses created by the freezing of water into ice
  6. 15. Dune a hill of sand near an ocean or in a desert that is formed by the wind
  7. 17. a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles
  8. 19. the state or process of rotting
  9. 21. a large natural stream of water flowing in a channel to the sea, a lake, or another such stream
  10. 22. Movement the movement downslope of rock fragments and soil under the influence of gravity
  11. 23. the process of wearing down or rubbing away by means of friction
Down
  1. 2. a group of natural processes, including weathering, dissolution, abrasion, corrosion, and transportation, by which material is worn away from the Earth's surface
  2. 4. Weathering any of the destructive effects of the atmosphere and the exposure of rocks to the extremes of the surface
  3. 5. Composition what soil is made of
  4. 7. the absorption by a mineral of one or more oxygen ions. The major type of chemical weathering, particularly in rocks containing iron
  5. 8. solid material that is moved and deposited in a new location
  6. 9. the sliding down of a mass of earth or rock from a mountain or cliff.
  7. 10. any of the chemical or mechanical processes by which rocks exposed to the weather undergo changes in character and break down
  8. 13. the absorption by a mineral of one or more oxygen ions. The major type of chemical weathering, particularly in rocks containing iron
  9. 14. Island a constantly changing deposit of sand that forms parallel to the coast
  10. 16. the dropping of material which has been picked up and transported by wind, water, or ice
  11. 18. Weathering chemical effects of water, carbon dioxide, and oxygen attacking and destroying the minerals that are near the surface of the Earth
  12. 20. a type of wetland, an area of land where water covers ground for long periods of time