Chapter 5

3. it is the arrangement of the natural and artificial physical features of an area.
5. it is another term for soil science.
6. it is the process in which roots grow into the cracks in rocks and force the cracks open as they continue to grow.
7. it is a biological community of interacting organisms and their physical environment.
10. a soil derived from minerals or rocks and containing little humus or organic matter.
12. it is a soil formation or soil genesis refers to changes of soil properties with time in one.
13. it is relating to or associated with lakes.

1. it is a bench or step that extends along the side of a valley and represents a former level of the valley floor.
2. it is the upper, outermost layer of soil, usually the top 5–10 inches
4. it is the chemical breakdown of a compound due to reaction with water.
8. it is a material which accumulates at the foot of a steep slope.
9. it is also a real soil body
11. it is an embankment built to prevent the overflow of a river.
13. drain away from soil, ash, or similar material by the action of percolating liquid, especially rainwater.
14. it is the large bone in the ankle that articulates with the tibia of the leg and the calcaneus and navicular bone of the foot.