Solar represents a minuscule portion of U.S. energy production because of ________
A) air and water pollution from this source of energy
B) poor potential for this energy source
C) lack of scientific interest
D) technological limitations
E) lack of investment
E
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Which of the following is not true regarding slope failures involving snow?
A. They may be very slow or very fast. B. The density of snow is always the same and so can be ignored when studying avalanches. C. They may be understood using the same mass-movement principles that apply to earth and rock movements. D. They may creep, flow, slide, and fall. E. They may travel from only a few meters (or less) to several kilometers.
Which statement below concerning hurricanes is the least correct?
a. ?They may contain tornadoes. b. ?They may contain severe thunderstorms. c. ?A hurricane moving northward over the eastern Pacific will normally survive for a longer time than one moving north over the Atlantic. d. ?A weakening hurricane can move up to middle latitudes and turn into a mid-latitude cyclone. e. ?The energy for a hurricane comes from the direct transfer of sensible heat and latent heat from the warm ocean surface.
What gas makes up 97 percent of Venus's atmosphere?
A) Carbon dioxide B) Methane C) Hydrogen D) Helium
Horsts and grabens are bounded by ________
A) normal faults B) reverse faults C) thrust faults D) strike-slip faults