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