How fast do wave trains travel in relation to individual waves in that train?
A) One-third as fast
B) One-fourth as fast
C) One-half as fast
D) Twice as fast
C
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If an earthquake occurred near the oceanic trench in this figure, which one of the following hazards is likely to threaten the town of Ashton?
A) Destruction by a tsunami
B) Liquefaction of soils and other weak materials because of shaking
C) Landslides and other slope failures caused by shaking
D) All of these are correct.
We can conserve energy by
What will be an ideal response?What will be an ideal response?
The largest earthquakes along western North America are due to subduction beneath the continent. They include ________.
A. the magnitude 8.1 Mexico City event in 1985 which was caused by subduction of the Cocos Plate B. the plates subducting beneath Oregon and Washington which generated a magnitude 9 earthquake on 26 January 1700 C. the magnitude 9.2 Alaska earthquake in 1964 which was due to subduction of the Pacific Plate D. All of these choices are correct.
The landform visible in this image is a drumlin. Based on the shape of the drumlin, which direction was the ice coming from? Assume that the top of the figure is north
A) North B) South C) East D) West