The most common method of disposing of solid waste materials by layering them between several feet of soil is:
a. landfills
b. storage tanks
c. encapsulations
d. electromagnetic fields
Answer: a. landfills
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Based on the accompanying hydrograph, what was the stream discharge when the data period shown in the graph ended?
A) 1.8 meters per second
B) 4 meters per second
C) 4 cubic meters per second
D) 9 cubic meters per second
E) 10 cubic meters per second
Who was the first to record the observation of currents?
a. Pytheas b. Japanese fishermen c. Sir John Murray d. Klaus Wyrtki e. James Cook
Even though Japan is currently rethinking their nuclear energy policy, why did they choose to build all the nuclear power plants in the first place?
A) Japan has significant industrial energy needs and very little fossil fuel reserves. B) Japan can use seawater to cool their nuclear power plants. C) Air pollution concerns prompted Japan do build many nuclear power plants. D) Japan exports most of their refined fossil fuels so there isn't enough for domestic use. E) Japan is trying to help reduce global warming by following an energy policy that requires a large percentage of energy from nuclear sources.
A rock that behaves in a(n) ________ manner will bend under stress and does not return to its original shape.
A. plastic B. elastic C. rubber D. brittle E. tactile