Soil

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Across
  1. 2. the shape and steepness of the landscape
  2. 8. layers of soil formed from the movement of producrs of weathering
  3. 9. this describes materials that have never been alive
  4. 10. organic matter is the _______ of something that was once alive
  5. 11. all of the organisms that live in a region
  6. 12. a mixture of weathered rock, rock fragments, decayed organic matter, water, and air
Down
  1. 1. the process of changing once living material into dark colored organic matter
  2. 3. the starting material of soil
  3. 4. pores are important because they enable ____ to flow into and through soil
  4. 5. even after 90 years soil is still considered _____
  5. 6. parent material is broken down by mechanical and chemical ____
  6. 7. the average weather of an area