Across
- 5. soil that remains above its parent rock
- 6. the top layer of soil
- 7. the removal of substances that can be dissolved from rock, ore, or layers of soil due to the passing of water
- 9. the source of mineral fragments in the soil
Down
- 1. the dark organic material formed in soil from teh decayed remains of plants and animals
- 2. the layer of rock beneath the soil
- 3. soil that is washed or blown away from its parent rock
- 4. a loose mixture of small mineral fragments, organic material, water and air that can support the growth of vegetation
- 8. layers of soil