Lithogenous sediment is ________.
A. always found at depths over 4500 m
B. always associated with deep-sea trenches
C. derived from rock
D. derived from the chemistry of the water
E. derived from plants and animals
Answer: C
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Diffraction of light in the shadows of a razor blade is more pronounced for relatively
A. shorter wavelengths. B. shorter or longer wavelengths. C. longer wavelengths. D. none of the above
Which of the following is true about security?
A. While environmental security has been given considerable attention, there is a need to devote more attention to economic security instead. B. Environmental security, military security, and economic security are completely separate and not related. C. While environmental security has been given less attention, it should be considered along with economic security, military security, and their interactions. D. Ecologists and economists do not think that environmental security should be considered in diplomatic activities even though it is important within a country. E. Environmental security can be addressed separately from other forms of security and can be handled entirely by volunteers and nongovernmental organizations.
Which of the following is TRUE regarding the colonization of Southeast Asia?
A) This was the first area of the world that Europeans colonized. B) Slaves were a major export of the region. C) Thailand was easily colonized. D) Only the coastal areas were colonized. E) It was colonized by a variety of European powers.
Tornadoes can and do hit big cities. However, they are hit less often than other areas because big cities are less common in the central part of the United States and ________.
A. the heat island effect limits tornado development B. unusually good luck C. cities are often built in areas sheltered from tornadoes by geography D. cities are relatively small targets relative to the rest of the region E. the electromagnetic energy they emit creates a partially effective tornado shield