Rocks

2. the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.
5. horizon a layer parallel to the soil surface whose physical, chemical and biological characteristics differ from the layers above and beneath.
7. the action of deposing someone, especially a monarch.
8. weathering changes the molecular structure of rocks and soil
10. the process of eroding or being eroded by wind, water, or other natural agents.
12. the process of wearing or being worn by long exposure to the atmosphere.
13. profile a vertical succession of horizons
14. soil those materials that have been moved from their place of origin, by gravity, wind, water, glaciers, or human activity
15. erosion the removal of soil along drainage lines by surface water runoff

1. A chemical reaction that takes place when a substance comes into contact with oxygen or another oxidizing substance.
3. wedging a process where water freezes inside rocks.
4. come apart or be shed
6. weathering causes rocks to crumble
9. erosion occurs when runoff water forms small channels as it concentrates down a slope.
11. soil a soil material which is the result of weathering and decomposition of rocks that has not been transported from its original place.