The formation of glacial ice forms at
A) the same depth everywhere because the pressure of metamorphism cannot vary.
B) different depths depending on the how it forms.
C) different depths because the pressure of metamorphism can vary.
D) the same depths as long as the snowfall is constant in different regions.
Answer: B
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The third wave of internal voluntary migration within the United States
A) emerged from the expansionist settlement policy of the American Revolution. B) brought people back to the cities through national urban renewal programs Kennedy and Johnson administrations. C) saw many people move to the Sun Belt. D) resulted in the passing of federal laws restricting internal migration.
Which of the following factors distinguishes severe thunderstorms from ordinary thunderstorms?
A. Severe thunderstorms contain hail. B. Severe thunderstorms have a strong updraft and downdraft. C. Severe thunderstorms have a tilted updraft in the mature stage. D. Severe thunderstorms have an anvil-shaped cloud.
If the satellite image shown in Figure 4.31 was taken during nighttime hours, it must be:
a. an infrared image.
b. a water vapor image.
c. a visible image.
d. none of the above
Which of the following is CORRECT regarding Alfred Wegener's theory of continental drift?
A) It was immediately adopted because of his geological background. B) He believed that 225 million years ago all the continents were joined together to form Pangaea. C) He was the first to propose that the continents moved. D) Although he provided a mechanism for continental drift, he could not find evidence of it.