Earth's Surface Review

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Across
  1. 5. along with hydrogen, oxygen, nitrogen, phosphorous, and sulfur are nutrients found in soil
  2. 6. one of the causes of erosion that brings minerals to plants and can cause kettle lakes
  3. 7. along with agriculture/farming results in the most human-caused soil erosion
  4. 9. theory that explains the movement of Earth's plates
  5. 12. theory developed by Wegener to explain where the continents are located
  6. 13. breakdown AND movement of rock
  7. 14. a plant that grows on rocks, releasing acid into them which breaks down rock
  8. 15. type of plate boundary found in places like San Andreas fault in California
Down
  1. 1. type of weathering caused by freezing and thawing of rock
  2. 2. when plates meet and the heavier plate sinks under the lighter plate
  3. 3. cause of erosion that is more common in dry areas
  4. 4. type of weathering caused by acid rain on rock
  5. 8. direction divergent plates move from each other
  6. 10. bottom layer of soil containing the largest rock pieces
  7. 11. the uppermost layer of soil that contains the smallest rock particles
  8. 12. location where limestone breaks down chemically because of water and forms giant gaps