The unconsolidated parent material beyond the reach of most roots is ________
A) the A horizon
B) loam
C) the C horizon
D) solum
E) the F horizon
Answer: C
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The pupil of your eye is a net
A. emitter of radiant energy. B. absorber of radiant energy. C. neither of these D. not enough information
The gap in the geologic record (that an unconformity represents) is called _.
a. a hiatus b. an interface c. erosion d. a missing period
The actual fission reactions that release energy in a nuclear power plant are about
A) two-thirds from uranium-235 and one-third from uranium-239. B) one-third from uranium-235 and two-thirds from uranium-239. C) two-thirds from uranium-235 and one-third from plutonium-239. D) one-third from uranium-235 and two-thirds from plutonium-239.
Pennsylvanian utility companies began experiencing corrosion of their equipment by river water after
upstream wastewater treatment plants began releasing enormous amounts of fracking waste. Indicate whether the statement is true or false.