Reducing the risk of a landslide on an unstable, steep slope can be accomplished by all of the following except
A. placement of additional supporting material at the base of the slope.
B. reduction of slope load by the removal of material high on the slope.
C. increasing the moisture content of the slope material.
D. reduction of slope angle.
Answer: C
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A) 1
B) 2
C) 3
D) 4
E) 5
The future global energy demands may be met by developing sustainable energy resources and, most easily, by
A) dramatically increasing oil and natural gas exploration. B) increasing our use of the abundant natural gas and coal resources. C) improving energy conservation and efficiency of current technology. D) limiting the use of energy in developing countries.
Earthquakes can cause tsunamis
Indicate whether the statement is true or false
Approximately what percentage of water on Earth is contained within the oceans?
A. 31% B. 52% C. 97% D. 85% E. 12%