The volcanic explosivity index (VEI) measures size of volcanic eruptions on a scale of 0 to 8. Between 1500 and 1980, one VEI 7 eruption occurred. This was ________.
A. Mt. St. Helens in 1980
B. Mt. Pelee in 1902
C. Mt. Vesuvius in 1631
D. Tambora in 1815
E. Krakatau in 1883
Answer: D
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In which nation(s) of Europe do Muslims comprise a majority of the population?
A) Poland and Lithuania B) France and Germany C) Bosnia, Kosovo and Albania D) Germany E) France
Is the stream terrace north of the Souris River of uniform width? If not, describe the pattern.
The following questions are based on Map T-4, the “Voltaire, North Dakota” topographic map (scale 1:24,000; contour interval 5 feet). You may also want to look at Figure 40-4 on page 280, a stereogram of this same area. The Souris River has downcut into the glacial outwash deposits along its course leaving stream terraces (48°06'23"N, 100°48'05"W). What will be an ideal response?
850 mb maps
A) usually do not allow the identification of frontal boundaries. B) are capable of showing geostrophic flow. C) show the pressure characteristics at an average height of about two miles. D) do not provide temperature data.
Desertification results from
A. lowering of the water table. B. removal of native vegetation. C. plowing. D. All of the choices are correct.