Across
- 4. The act of cutting back or making smaller
- 6. Layers of organic material.
- 7. The long-term pattern of weather in a particular area.
- 8. The lowest layer.
- 11. An act, process, or instance of transforming or being transformed.
- 13. A genetic change in which a piece of one chromosome breaks off and attaches to another chromosome
Down
- 1. A layer of mineral soil that has a defined soil structure, and it is mostly made up of humus (decayed organic matter).
- 2. An assembly of molecules functioning as a more or less stable whole that exhibits the properties of life.
- 3. Is a mineral horizon with the main feature of eluvial loss of silicate clay, iron, aluminum, silicon, or some combination of these, leaving a residual concentration of sand and silt particles, and in which all or much of the original
- 5. The horizon of maximum accumulation, or illuviation, of clay, iron, aluminum, or other compounds leached from the A horizon.
- 7. A mineral horizon, excluding strongly cemented and hard bedrock,
- 9. The loose surface material that covers most land.
- 10. A term for the general physical, chemical, and mineralogical composition of the unconsolidated material, mineral or organic, in which soil forms.
- 12. The geological process in which earthen materials are worn away and transported by natural forces such as wind or water.
- 14. A process of combining two or more numbers.
