Which of the following can initiate hillslope failure?
A) making a roadcut in the side of a hill
B) increasing the slope angle
C) excessively watering a slope
D) All of the above.
Answer: D) All of the above.
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The cell value of 'no data' is treated as zero in raster data operations.
Answer the following statement true (T) or false (F)
Which processes would change a metamorphic rock to an igneous rock?
A. Melting and crystallization B. Weathering, transport, and lithification C. Increased temperature and pressure
Since the Clean Air Act of 1970, emissions of most pollutants have fallen off substantially, with _____ showing the greatest reduction
a. ?sulfur dioxide b. ?methane c. ?lead d. ?carbon dioxide e. ?carbon monoxide
Along the periphery of hot deserts, where shifting subtropical high pressure cells create a distinct summer-dry and winter-wet pattern, one finds
A) marine west coast climates. B) tropical monsoon climates. C) Mediterranean climates. D) tropical, subtropical hot steppe climates. E) humid subtropical hot-summer climates.