Most of our energy waste in North America results from
A. A failure to turn off lights
B. The fact that more efficient energy conversion is not possible
C. Technological inefficiency
D. The fact that energy conservation techniques are quite expensive
E. Overwhelming public ignorance of conservation issues
Answer: C
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Of Earth's remaining wilderness areas, about ____ are strictly or partially protected by law from human activities
a. 5% b. 20% c. 45% d. 50% e. 55%
Average annual precipitation is highest:
A) in the coastal mountains of British Columbia. B) along the Atlantic coast of the southern United States. C) in California's Sierra Nevada. D) in the area immediately south of the Great Lakes.
Pressure release occurs when ____
A)the climate is hot and humid B)ice freezes and creates cracks in rocks C)rocks heat up and cool down D)rocks are uplifted and eroded E)there is faulting and seismic activity
Where are the majority of transform faults located?
A) Southern California B) On the ocean floor offsetting segments of oceanic ridge C) Radiating from convergent boundaries as stress fractures D) Along mountain ranges that have been thrust up due to collision