Across
- 2. made up of rocks, minerals, and humus
- 5. help plants grow
- 8. the middle soil layer with less water and air
- 9. turn dead plants and animals into humus
Down
- 1. non-living, make up the solid part of soil
- 3. natural non-living things that make up rocks
- 4. the bottom layer of soil
- 6. the soft, top-most layer of soil
- 7. dead plants and animals in the topsoil