PrepTest 86, Section 2, Question 1
Researcher: It is widely believed that, given its northerly latitude, England's mild winters must be due to the Gulf Stream, which brings warm water flowing northeastward across the Atlantic Ocean. But this belief is mistaken. While it is true that the Gulf Stream brings tropical water to England, in the Pacific Ocean the analogous Kuroshio Current brings tropical water only as far north as Oregon. Yet North America's west coast has mild winters well north of that point.
Researcher: It is widely believed that, given its northerly latitude, England's mild winters must be due to the Gulf Stream, which brings warm water flowing northeastward across the Atlantic Ocean. But this belief is mistaken. While it is true that the Gulf Stream brings tropical water to England, in the Pacific Ocean the analogous Kuroshio Current brings tropical water only as far north as Oregon. Yet North America's west coast has mild winters well north of that point.
Researcher: It is widely believed that, given its northerly latitude, England's mild winters must be due to the Gulf Stream, which brings warm water flowing northeastward across the Atlantic Ocean. But this belief is mistaken. While it is true that the Gulf Stream brings tropical water to England, in the Pacific Ocean the analogous Kuroshio Current brings tropical water only as far north as Oregon. Yet North America's west coast has mild winters well north of that point.
Researcher: It is widely believed that, given its northerly latitude, England's mild winters must be due to the Gulf Stream, which brings warm water flowing northeastward across the Atlantic Ocean. But this belief is mistaken. While it is true that the Gulf Stream brings tropical water to England, in the Pacific Ocean the analogous Kuroshio Current brings tropical water only as far north as Oregon. Yet North America's west coast has mild winters well north of that point.
Which one of the following most accurately expresses the conclusion drawn in the researcher's argument?
It is widely believed that England's mild winters must be due to the Gulf Stream.
The belief that England's mild winters must be due to the Gulf Stream is mistaken.
It is true that the Gulf Stream brings tropical water to England.
In the Pacific Ocean, the Kuroshio Current brings tropical water only as far north as Oregon.
North America's west coast has mild winters well north of Oregon.
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