Soil
Across
- 4. all organisms that live in a region.
- 6. the steepness and shape of landscape.
- 9. layer of soil that contains mostly inorganic materials.
- 10. materials that have never been alive in soil.
- 11. layer of soil rich in minerals such as iron and aluminum.
- 12. layer of soil that is beneath all other layers.
- 13. the average weather of an area.
Down
- 1. misplaced soil that does not serve its purpose to help nourish and grow living things.
- 2. the starting material of soil.
- 3. material which nourishes and supports growing plants.
- 5. part of soil that was once living.
- 7. layer of soil made mainly of decaying leaves, dead insects, and animal waste.
- 8. layer of soil that is rich in many nutrients needed by plants.