Wind farms, which generate electricity using arrays of : GMAT Critical Reasoning (CR)
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Wind farms, which generate electricity using arrays of

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20 Jan 2008, 03:34
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Wind farms, which generate electricity using arrays of thousands of wind-powered turbines, require vast expanses of open land. County X and County Y have similar terrain, but the population density of County X is significantly higher than that of County Y. Therefore, a wind farm proposed for one of the two counties should be built in County Y rather than in County X.
Which of the following, if true, most seriously weakens the planner’s argument?

A. County X and County Y are adjacent to each other, and both are located in the windiest area of the state.
B. The total population of County Y is substantially greater than that of County X.
C. Some of the electricity generated by wind farms in County Y would be purchased by users outside the county.
D. Wind farms require more land per unit of electricity generated than does any other type of electrical-generation facility.
E. Nearly all of County X’s population is concentrated in a small part of the county, while County Y’s population is spread evenly throughout the country.
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20 Jan 2008, 03:39
E

You get more open land in county X
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20 Jan 2008, 06:57
Agree with E, since it suggests that County X might be a better option for the wind turbine farms.
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20 Jan 2008, 09:30
solaris1 wrote:
Agree with E, since it suggests that County X might be a better option for the wind turbine farms.

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OA is E
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20 Jan 2008, 10:52
Conclusion: Therefore, a wind farm proposed for one of the two counties should be built in County Y rather than in County X.

A. County X and County Y are adjacent to each other, and both are located in the windiest area of the state.[ This is irrelevant to the argument – Eliminate it]

B. The total population of County Y is substantially greater than that of County X.[Wind farms require huge land space – total population is not discussed in the argument – eliminate it]

C. Some of the electricity generated by wind farms in County Y would be purchased by users outside the county. [Who purchase Wind Farms’ electricity is out of scope of the argument – Eliminate it]

D. Wind farms require more land per unit of electricity generated than does any other type of electrical-generation facility.[“Wind farms” vs. other source of electricity generation – out of scope – eliminate it]

E. Nearly all of County X’s population is concentrated in a small part of the county, while County Y’s population is spread evenly throughout the country. [This is sufficient to weaken the argument conclusion – Hold it]

Re: weaken cr question   [#permalink] 20 Jan 2008, 10:52
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