Why do deserts lack thick deposits of soil?
A) Low temperatures and high soil moisture contents accelerate chemical weathering.
B) Warm temperatures and high soil moisture contents accelerate chemical weathering.
C) Warm temperatures and low soil moisture contents allow some mechanical weathering.
D) Temperature has no effect on rock weathering.
Answer: C
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Which of the following indicates the main difference between a cloud drop and a raindrop?
A. shape B. size C. colour D. nuclei
Volcanoes with broad bases and gentle slopes are called:
a) Shield volcanoes b) Stratovolcanoes (or composite cones) c) Cinder cones (or scoria cones) d) Mud volcanoes e) Lava domes
The most important class of rock-forming minerals on Earth is
A. asbestos. B. native minerals. C. silicates. D. halides. E. sulfates.
Which of the following is TRUE?
A) Folk culture is more likely to vary from place to place at a given time, while popular culture is more likely to vary from time to time at a given place. B) Popular culture is more likely to vary from place to place at a given time, while folk culture is more likely to vary from time to time at a given place. C) Folk culture rarely varies from place to place at a given time and popular culture variations are limited primarily to large urban centers. D) Popular culture is a limiting effect on variations of folk culture. E) Folk culture is a limiting effect on the variations of popular culture.