Differential GPS would be more useful than a handheld GPS when
A. two or more measurements are being taken simultaneously.
B. the system is used in an isolated location far from a cellular telephone signal.
C. portability and mobility is important.
D. extremely precise measurements are needed.
Answer: D
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Determining specific, quantitative dates for rock units or events expressed in years before thepresent:a
relative dating b. absolute dating
The sociologist Raymond Williams once wrote: “…the idea of nature contains, though often unnoticed, an extraordinary amount of human history.” What did he mean by this? Of what theoretical approach is this statement an example? In your answer, draw upon the materials of this course to give at least three applications of Williams’ insight.
What will be an ideal response?
Thunderstorms would be most frequent
A. in January in the Southern Hemisphere over oceans. B. in July in the Northern Hemisphere over oceans. C. in January in the Northern Hemisphere over land. D. in July in the Southern Hemisphere over land.
Along its length, the Colorado River
A. is greatly reduced in volume by heavy use and evaporation loss from reservoirs. B. becomes less saline toward its confluence with the Sea of Cortez. C. flows entirely over insoluble igneous rocks. D. receives considerable water through ground water discharge.