Across
- 5. is dead plants and animals which are in a state of continous decomposition.
- 6. large pores
- 7. the ability of soil to allow air and water to pass through it
Down
- 1. how particles are arranged in soil
- 2. very small particles
- 3. is needed for plant growth and for the soil organism
- 4. formed by the decomposition of leaves and other plant material by soil microorganisms