Across
- 4. the state or quality of a material or membrane that causes it to allow liquids or gases to pass through it
- 6. a large absorbent moss that grows in dense masses on boggy ground, where the lower parts decay slowly to form peat deposits.
- 9. fine sand, clay, or other material carried by running water and deposited as a sediment, especially in a channel or harbor.
- 10. decayed organic material used as a plant fertilizer.
Down
- 1. denoting or relating to a fertile soil of clay and sand containing humus.
- 2. how particles of soil are grouped together into aggregates
- 3. the tough protective outer sheath of the trunk, branches, and twigs of a tree or woody shrub.
- 5. the percentage of void space in a rock.
- 7. the hard fibrous material that forms the main substance of the trunk or branches of a tree or shrub, used for fuel or timber.
- 8. measure of the acidity or basicity of a soil.