Across
- 3. organic compound of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
- 4. fertile soil of clay and sand containing humus.
- 5. to remove or send forth
- 8. process of breaking big rocks into little ones.
- 9. erosion one type of erosion caused by water.
- 10. process of scraping or wearing something away.
Down
- 1. litter that has fallen to the ground.
- 2. the soil lying immediately under the surface soil.
- 6. solid rock underlying loose deposits such as soil.
- 7. gradual destruction or domination of something.