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059. Rapid industrialization and increased geographic mobility in the nineteenth......2026-04-26
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058. Although the birth rate continued to decline from its high level of the eig......2026-04-25
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057. People in the United States in the nineteenth century were haunted by the &......2026-04-24
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056. Meteorologists and computer scientists now work together to design computer......2026-04-23
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055. Communications satellites can transmit data around the world cheaply and &n......2026-04-22
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054. Conventional computer models of the atmosphere have limited value in predic......2026-04-21
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053. Secular institutions, of control such as the police and army take the place......2026-04-20
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052. Unaltered folk cultures no longer exist in industrialized countries such as......2026-04-19
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051. A folk culture is small, isolated, cohesive, conservative, nearly self-suff......2026-04-18
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050. Its major enemies are fish and crabs, when attacked, it squirts all its int......2026-04-17
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049. All living creature, especially human beings, have their peculiarities, but......2026-04-16
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048. There seem to have been several periods within the last tens of thousands o......2026-04-15
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047. The prevailing winds in the Great Basin are from the west. Warm, moist air ......2026-04-14
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046. An alien exploring Earth would probably give priority to the planet's d......2026-04-13
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045. Coincident with concerns about the accelerating loss of species and habitat......2026-04-12
