Chapter 12 Crossword - 1

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Across
  1. 3. a distinct layer of soil
  2. 6. a cross-section of all the soil horizons in a specific soil, from surface to bedrock, in a specific area
  3. 8. soil particles that are 0.05 to 2 mm in diameter
  4. 9. a soil conservation method in which sloped land is transformed into a series of steps to prevent soil erosion
  5. 11. the mass of solid rock that makes up Earth’s crust
Down
  1. 1. the mixture of disintegrated rock, organic matter, water, gases, nutrients, and microorganisms that supports plant growth
  2. 2. the turning-over of soil before planting
  3. 3. one or more rows of trees or other tall, perennial plants planted along the edge of a field to prevent wind erosion
  4. 4. soil that is approximately equal parts clay, silt, and sand
  5. 5. soil particles that are 0.002 to 0.05 mm in diameter
  6. 7. the physical and chemical processes that break down rocks and minerals into smaller particles
  7. 10. soil particles that are less than 0.002 mm in diameter