Across
- 4. to keep, to hold back
- 5. a mixture of decomposed plants and animals in soil
- 8. a mixture of sand, silt, and clay
- 9. a small piece of soil
Down
- 1. a substance that provides nourishment
- 2. a wet, smooth type of soil
- 3. to break down
- 6. a mixture of small pieces of rock, water, air, and humus
- 7. small pieces of rock and pebbles, larger than grains of sand