Across
- 2. water from ____ may be in the subsoil.
- 5. most ___ grow in topsoil.
- 6. water and ____ help plants live, grow, and survive.
- 8. if soil holds too much water the plants may ____.
- 9. subsoil is often ____ than the topsoil.
- 11. different places have soil layers of different _____ and color.
Down
- 1. soil has ____ main substances (a number).
- 3. is the top layer.
- 4. humus provides the nutrients plants need to stay healthy and ____.
- 7. the lowest layer of soil.
- 10. is made of the remains of plants and animals.
- 12. most soils are a mix of sand, silt, and ___.
- 13. is the layer of loose material that covers most of Earth's land.