Although the pesticides used in nearby fields are the primar : GMAT Critical Reasoning (CR)
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# Although the pesticides used in nearby fields are the primar

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Although the pesticides used in nearby fields are the primar [#permalink]

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07 Jun 2014, 21:53
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35% (medium)

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69% (02:37) correct 31% (01:44) wrong based on 145 sessions

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Although the pesticides used in nearby fields are the primary cause of pollution in the Ellenville River, researchers believe that increased automobile traffic in the immediate vicinity is a contributing cause, since nearly all water samples taken from the river show signs of contamination from vehicular emissions. Such emissions are not typically considered a major source of water pollution, but researchers hypothesize that vehicular emissions are the source of more pollution in the Ellenville River than are pesticides.Which of the following, if true, most strongly supports the researchers' hypothesis?

A) Research has shown that there is more pollution from vehicular emissions in the Ellenville River than in any other river within a 500 miles radius.
B) The water filtration system that produces drinking water for Ellenville is specifically designed to protect against the pesticides used in nearby fields.
C) Water samples from the Ellenville River taken fifty years ago show evidence of pollution from vehicular emissions.
D) In laboratories without the most sophisticated diagnostic tools, it is difficult to differentiate between types of water pollutants.
E) The diseases caused by the different forms of water pollution cause different health problems, and the illnesses caused by vehicular emissions are much more prevalent in Ellenville than are those caused by pesticides.
[Reveal] Spoiler: OA

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Re: Although the pesticides used in nearby fields are the primar [#permalink]

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07 Jun 2014, 21:59
E it is: The diseases caused by the different forms of water pollution cause different health problems, and the illnesses caused by vehicular emissions are much more prevalent in Ellenville than are those caused by pesticides.

E is filling up the gaps
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Re: Although the pesticides used in nearby fields are the primar [#permalink]

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08 Jun 2014, 00:47
Option B is an iSWAT. So, went with E
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Re: Although the pesticides used in nearby fields are the primar [#permalink]

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08 Jun 2014, 22:18
kinjiGC wrote:
Although the pesticides used in nearby fields are the primary cause of pollution in the Ellenville River, researchers believe that increased automobile traffic in the immediate vicinity is a contributing cause, since nearly all water samples taken from the river show signs of contamination from vehicular emissions. Such emissions are not typically considered a major source of water pollution, but researchers hypothesize that vehicular emissions are the source of more pollution in the Ellenville River than are pesticides.Which of the following, if true, most strongly supports the researchers' hypothesis?

A) Research has shown that there is more pollution from vehicular emissions in the Ellenville River than in any other river within a 500 miles radius.
B) The water filtration system that produces drinking water for Ellenville is specifically designed to protect against the pesticides used in nearby fields.
C) Water samples from the Ellenville River taken fifty years ago show evidence of pollution from vehicular emissions.
D) In laboratories without the most sophisticated diagnostic tools, it is difficult to differentiate between types of water pollutants.
E) The diseases caused by the different forms of water pollution cause different health problems, and the illnesses caused by vehicular emissions are much more prevalent in Ellenville than are those caused by pesticides.

I also chose E, but C was also tempting.
We are asked to evaluate the pollution in the river, not in the town itself.
E basically says that the town is polluted more from vehicles, but we're asked about the river... any thoughts?
Re: Although the pesticides used in nearby fields are the primar   [#permalink] 08 Jun 2014, 22:18
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