Continental crust ____
A)is much thinner under mountain ranges than it is in the adjacent areas
B)is much thicker than average beneath the Rift Valleys of Africa
C)is usually described as "granitic"
D)consists of gabbro and basalt
E)is thinner than oceanic crust
C
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A region of the United States with a high concentration of karst lakes is located in ____
a. Hawaii b. Nevada c. Florida d. North Dakota
The greatest loss of life during a natural disaster occurred during ________
A) the 1900 Galveston hurricane B) Hurricane Katrina C) a 1959 blizzard in the Midwest D) a tornado in the Midwest
Which of the following actions should you avoid if you want to decrease the severity of flooding?
A) converting agricultural fields to recreational areas B) using permeable pavers C) installing green roofs D) converting meadows into agricultural areas E) planting trees
The Wilson Cycle describes
A. the cycle of splitting of a supercontinent, opening of an ocean basin, followed by closing of the basin and collision of continents B. the movement of asthenosphere C. the block-faulting that occurs at mountains D. the cycle of uplift and erosion of mountains