Which of the following is a common, approximate value for the angle of repose of rock particles?
a. 3?
b. 13?
c. 33?
d. 73?
e. 133?
C
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Mount Fuji is an example of:
a) Shield volcanoes b) Stratovolcanoes (or composite cones) c) Cinder cones (or scoria cones) d) Mud volcanoes e) Lava domes
The appearance of a star to twinkle, or flicker, is caused by ____ of light through regions of different densities
A) reflection B) refraction C) diffraction D) scattering
In the United States, over the past 30 years, the population has
A) increased, and the amount of water each person consumes has increased. B) increased, but the amount of water each person consumes has leveled off. C) decreased, but the amount of water each person consumes has increased. D) decreased, and the amount of water each person consumes has decreased.
The largest population of Doukhobor people live in what part of the Intermontane West?
A) Saskatchewan B) British Columbia C) Montana D) Idaho