Across
- 2. The process of rocks breaking down into smaller pieces.
- 5. A mix of humus, sand, silt, clay, gravel and pebbles
Down
- 1. Rocks that are smaller than pebbles, but bigger than sand
- 3. The process of soil being transported by wind or water.
- 4. Dark, rich organic material in soil created by decomposed plant and animal matter.