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Naturalist: For several years, coyote have had a robust population throughout the Susquehanna National Forest. Over the past seven years, the Canic Chemical Corporation in nearby Harrisville has been releasing low levels of bromide compounds into the air and groundwater. Some of these compounds, in sufficient concentrations, are suspected of compromising the immune systems of young coyote. A recent study over the entire forest established that 30% of young coyote did not survive their first year of life. Clearly, the bromide compounds released by Canic pose a direct threat to the well-being of coyote in the forest.

The answer to which of the following would be most useful for evaluating the naturalist's reasoning?

【选项】How many of the natural springs in the forest derive from groundwater that flows in the vicinity of Harrisville?

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:Magoosh-28
难度:难