Across
- 3. The solid layer of rock beneath the soil.
- 5. Rich , fertile soil that is made up of about equal parts of clay, sand, and silt.
- 6. The loose, weathered material on Earths surface in which plants can grow.
- 7. Mixture of humus, clay and other minerals that forms the crumbly , topmost layer of soil.
Down
- 1. The layer of soil beneath the topsoil that contains mostly clay and other minerals
- 2. A measure of how well soil supports plat growth.
- 4. Dark-colored organic material in soil.
- 6. horizon The layer of soil that differs in color and texture from the layers above it and below it.