Factors contributing to the Vaiont Reservoir landslide included all of the following except
A. the presence of clay-rich layers in the valley wall rocks.
B. filling of the reservoir.
C. heavy rains.
D. earthquakes.
Answer: D
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Which of the features labeled on the accompanying figure was discussed as a possible source of earthquakes?
A. the cliff at A B. the volcano at B C. pumping of the oil field at C D. shaking during large floods at D E. landslides off the mountains at E
According to the theory of isostasy, the crust:
a. tends to establish a uniform elevation over the entire earth b. tends to establish an elevation directly proportional to its density c. tends to establish an elevation inversely proportional to its density d. is fixed and cannot change in elevation
Predict which of these biome groups would have the most biodiversity?
A. Tundra B. Forests C. Savanna
Which of the following protects mainland shores from the force of waves?
A. Coral islands B. Volcanic islands C. Barrier islands D. Estuaries E. Wetlands