Free Practice Question
CR · Critical Reasoning
605-655
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Sediment from a river on a remote island in the southern part of Lake Michigan contains harmful substances, including DDT, a pesticide that was previously produced and used, not in the northern regions of the United States, but in the southern regions. No waste disposal has occurred on the island. The island river is high enough that water from Lake Michigan does not flow into it. The statements above, if true, most strongly support which of the following hypotheses?
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The waters of the island river are less polluted than those of Lake Michigan.
B
The DDT was transported to the island via atmospheric currents.
C
Prohibiting substances like DDT does not benefit the ecosystem.
D
DDT negatively impacts human health but not wildlife.
E
Levels of DDT in the soil of agricultural areas are too low to be detected.
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SiddharthApr 29, 2025
Amazing
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Difficulty
605-655
Type
CR