Earth Sci Ch. 5 Weathering & Soil

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Across
  1. 3. starting material soil
  2. 4. the average weather of an area
  3. 5. the shape and steepness of the landscape
  4. 9. combines the element oxygen with other elements or molecules
  5. 10. layers of soil formed from the movement of the products of weathering
  6. 11. when physical processes naturally break rocks into smaller pieces
  7. 12. the mechanical and chemical processes that change objects on Earth's surface over time
  8. 13. changes the materials that are part of a rock into new materials
Down
  1. 1. mixture of weathered rock, rock fragments, decayed organic matter, water, and air
  2. 2. the process of changing once living material into dark-colored organic matter
  3. 6. the remains of something that was once alive
  4. 7. small holes and spaces in soil/rocks
  5. 8. all of the organisms that live in a region