Environmental Engineering Reference
In-Depth Information
A. Subduction zone
B. Convergent plate boundary
C. Divergent plate boundary
D. Transform plate boundary
E. Thrust fault
Questions 13-14 refer to the following diagram.
Source: Natural Resources Conservation Service, U.S. Department of Agriculture
13. Which of the following ecosystems best characterizes a thick O horizon?
A. Chaparral
B. Desert
C. Grassland
D. Semi-desert
E. Tropical rain forest
14. Parent material is best defined as:
A. Loose and partly decayed organic material
B. Bedrock material
C. A light-colored zone of leaching
D. An accumulation of clay and rock
E. Mineral matter mixed with humus
15. Grasslands found in the United States are commonly referred to as:
A. Llanos
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