The ability of a stream to abrade large particles and rock fragments is a function of:
a. sediment load
b. depth
c. velocity
d. width
a
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What has been the pattern of population growth in Russia since the demise of the USSR?
A) slow population growth B) zero population growth (equal birth and death rates) C) a sudden surge immediately following the collapse of the USSR followed by a sharp decline D) declining population growth (except among ethnic non-Russians) E) rapid population growth
In the world map below the color that represents soils that swell and shrink excessively is
A) pink.
B) light green.
C) medium blue.
D) purple.
The Ring of Fire is famous among geologists because
A) 80% of earthquakes occur here. B) 90% of earthquakes and 75% of the world's volcanoes occur here. C) 55% of the world's volcanoes occur here. D) 75% of the world's hurricanes occur here.
In polar regions
A) temperature inversions are rare. B) there is abundant precipitation near the poles. C) more energy is absorbed from the Sun than is radiated into space. D) high pressure is common. E) all of the above