Which of the following provides the best reason why geographers examine migration patterns?
a) to explain changes in population, cultural values, and economic practices in various places
b) to explain the influence of tectonic activity on population growth and distribution
c) to understand why human migration has only occurred since the beginning of the twenty-first century
d) to develop policies to better control migration flows
e) to estimate when a society will enter stage 5 of the demographic transition
Answer: a) to explain changes in population, cultural values, and economic practices in various places
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Relatively few people live at ________, but there are significant exceptions, especially in low latitudes
A) low elevations B) sea-level C) high elevations D) or near coastlines E) the poles
Volcanic activity in Hawaii is beneficial in all the following ways except ________.
A. burying existing residential land B. bringing in tourists C. building new land D. creating fertile soil
Suppose you are traveling in a submersible that is diving from the ocean surface toward the seafloor at a depth of 4000 meters. What would you observe on the submersible's instrument panel as it passed through the thermocline?
A. The temperature of the surrounding ocean water would decrease rapidly. B. The salinity of the surrounding ocean water would decrease rapidly. C. The temperature of the surrounding ocean water would increase rapidly. D. The pH of the surrounding ocean water would increase rapidly.
Which of the following is true regarding ozone depletion in Antarctica?
A) Increasing levels of ultraviolet radiation have not actually been measured at this time. B) The atmosphere above Antarctica has experienced a complete loss of protective ozone. C) Maximum ozone depletion occurs during the Antarctic spring, following the development of polar stratospheric clouds in winter. D) There has actually been a decrease in ultraviolet levels measured at the surface—which is contrary to what is predicted by ozone depletion models.