Chapter 12 Review

2. where some glaciers can be found but only in high mountains
4. a type of erosion caused by glaciers
7. the slow movement of land surface that may cause fence posts to lean
10. a triangular shaped area of fertile deposits found where a large river enters the ocean
12. a type of weathering in which carbon dioxide and water are often involved
13. a layer of soil resulting from the weathering of bedrock
15. a type of mass wasting that moves quickly, but slips just a short distance
16. long streamlined hills composed of unsorted glacial till
17. a type of moraine where the strip of till separates two glacial valleys

1. an acid that is formed when water chemically combines with carbon dioxide
3. a bowl-shaped depression caused by strong winds carrying away all the loose materials from an area
5. the chemical balance of soils in rainy climates tend to be this
6. the strip of till that separates two glacial valleys is type of moraine
8. a soil scientist
9. valuable topsoil containing equal parts sand and silt with about half as much clay
11. the rapid movement of a large mass of earth materials down a steep slope
14. a hill or ridge of windblown sand