How did the underlying geology contribute to the Gros Ventre Landslide of 1925?
A) Rains saturated the sandstone and clay that make up the slope.
B) Creep weakened the sandstone making up the slope.
C) Vegetation was removed from the slope.
D) The river that flowed through the valley dissolved the limestone.
Answer: A
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The Middle East has about ________ percent of the world's oil reserves.
A. 72 B. 62 C. 50 D. 90
If an air parcel is warmer than the surrounding environment, then it will _____.
A) rise or sink, depending on the time of day B) remain at its current position C) rise D) sink
Which of the following are true about factors that influence weathering?
A. Time is not a critical factor in weathering because physical and chemical processes have not changed much through time. B. Soil and other weathering products tend to accumulate more on gentle slopes than on steep slopes. C. Whether a slope faces toward or away from the sun is not an important factor influencing weathering. D. Chemical weathering occurs fastest in cold or dry climates.
As a cold front advances, the warm air is forced to
A. Retreat laterally and become more dense B. Go under the mass of cold air C. Fall, condense, and lose its moisture D. Rise, cool, and release its moisture E. Rise, become warmer, and absorb more moisture