Franklin Pierce University

PA 210

Quiz 3

1)Soils on south facing slopes in the northern hemisphere tend to be

1. 1. less deeply weathered, warmer, with more organic matter

1. 2. more deeply weathered, cooler, with less organic matter

1. 3. more deeply weathered, warmer, with more organic matter

1. 4. less deeply weathered, warmer, with less organic matter

TRUE/FALSE QUESTIONS 2 TO 3

2.  Decomposition and recombination dominate in humid tropical regions

3. Physical weathering processes include all of the following: temperature changes, abrasion by particles carried in water, and carbonation.

4. Soils become acid because _________ is continuously being formed in the soil.

5. The ___________ epipedon is dark colored and forms under prairie vegetation

6. The ________endopedon is formed by the accumulation of clay leached from horizons above or formed in place.
7. Soils are grouped into ____________ on the basis of a specific range of soil properties; mainly the kind, thickness and arrangement of horizons.

8. The highest and most general category of the soil classification system is the _______________

9. Criteria for grouping soils in Families include

1. 1. Soil temperature, mineralogy, and particle size

1. 2. The thickness and arrangement of horizons

1. 3. The presence or absence of diagnostic horizons

1. 4. None of the above