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EnergyMill Company Advertisement: ...

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EnergyMill Company Advertisement: ... [#permalink] New post 04 Oct 2013, 06:56
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

52% (02:13) correct 48% (01:27) wrong based on 90 sessions
EnergyMill Company Advertisement:

An Environmental Impact Coalition report shows that wind power produces the fewest pollutants among all green energy alternatives. This shows that EnergyMill wind turbines are the best choice for powering new developments in rural areas.

Which of the following, if true, most seriously weakens the argument in the advertisement?

(A) An earlier Environmental Impact Coalition report showed that solar power produces fewer pollutants than does wind power.
(B) In the last five years, the government has invested more in wind power than in any other form of green energy.
(C) The dispersion of homes in rural areas makes wind power several times more expensive that conventional energy sources.
(D) The difference between the number of pollutants generated by wind power and conventional power sources is quite pronounced.
(E) The Environmental Impact Coalition issues reports only once a year.

Source: GMAT Hacks - 010813
OA and Explanation to follow ...

Image
[Reveal] Spoiler: OA

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Last edited by avohden on 19 Nov 2013, 09:32, edited 1 time in total.
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Re: EnergyMill Company Advertisement: ... [#permalink] New post 04 Oct 2013, 18:09
avohden wrote:
EnergyMill Company Advertisement:

An Environmental Impact Coalition report shows that wind power produces
the fewest pollutants among all green energy alternatives. This shows that
EnergyMill wind turbines are the best choice for powering new developments
in rural areas.

Which of the following, if true, most seriously weakens the argument in
the advertisement?

(A) An earlier Environmental Impact Coalition report showed that solar power
produces fewer pollutants than does wind power.
(B) In the last five years, the government has invested more in wind power
than in any other form of green energy.
(C) The dispersion of homes in rural areas makes wind power several times
more expensive that conventional energy sources.
(D) The difference between the number of pollutants generated by wind power
and conventional power sources is quite pronounced.
(E) The Environmental Impact Coalition issues reports only once a year.

Source: GMAT Hacks - 010813
OA and Explanation to follow ...




Argument nowhere took economical aspects in consideration, therefore the provided OA must be out of the scope of argument...After eliinating only option E left. hence OA should be E
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Re: EnergyMill Company Advertisement: ... [#permalink] New post 04 Oct 2013, 20:27
avohden wrote:
EnergyMill Company Advertisement:

An Environmental Impact Coalition report shows that wind power produces
the fewest pollutants among all green energy alternatives. This shows that
EnergyMill wind turbines are the best choice for powering new developments
in rural areas.

Which of the following, if true, most seriously weakens the argument in
the advertisement?

(A) An earlier Environmental Impact Coalition report showed that solar power
produces fewer pollutants than does wind power.
(B) In the last five years, the government has invested more in wind power
than in any other form of green energy.
(C) The dispersion of homes in rural areas makes wind power several times
more expensive that conventional energy sources.
(D) The difference between the number of pollutants generated by wind power
and conventional power sources is quite pronounced.
(E) The Environmental Impact Coalition issues reports only once a year.

Source: GMAT Hacks - 010813
OA and Explanation to follow ...


OA answer is wrong. OA should be A.
Report talks about the environment impact and answer C which is supposed to be OA talks about the economical…Who cares if its expensive or cheap. The argument is concerned about the environment and only option A provides this.
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Re: EnergyMill Company Advertisement: ... [#permalink] New post 06 Nov 2013, 05:48
avohden wrote:
EnergyMill Company Advertisement:

An Environmental Impact Coalition report shows that wind power produces
the fewest pollutants among all green energy alternatives. This shows that
EnergyMill wind turbines are the best choice for powering new developments
in rural areas.

Which of the following, if true, most seriously weakens the argument in
the advertisement?


OA and Explanation to follow ...


(A) An earlier Environmental Impact Coalition report showed that solar power
produces fewer pollutants than does wind power.
Poweting new developments is our goal. Yes solar power produces fewer pollutants but that does not imply that its the best option
(B) In the last five years, the government has invested more in wind power
than in any other form of green energy.
Looks out of scope
(C) The dispersion of homes in rural areas makes wind power several times
more expensive that conventional energy sources.
This appears to be correct. Since the houses are sparsely populated, the cost of wind power increases and hence it weakens the conclusion
(D) The difference between the number of pollutants generated by wind power
and conventional power sources is quite pronounced.
Looks out of scope
(E) The Environmental Impact Coalition issues reports only once a year.
Looks out of scope
Source: GMAT Hacks - 010813
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Re: EnergyMill Company Advertisement: ... [#permalink] New post 06 Nov 2013, 07:48
ankur1901 wrote:
avohden wrote:
EnergyMill Company Advertisement:

An Environmental Impact Coalition report shows that wind power produces
the fewest pollutants among all green energy alternatives. This shows that
EnergyMill wind turbines are the best choice for powering new developments
in rural areas.

Which of the following, if true, most seriously weakens the argument in
the advertisement?


OA and Explanation to follow ...


(A) An earlier Environmental Impact Coalition report showed that solar power
produces fewer pollutants than does wind power.
Poweting new developments is our goal. Yes solar power produces fewer pollutants but that does not imply that its the best option
(B) In the last five years, the government has invested more in wind power
than in any other form of green energy.
Looks out of scope
(C) The dispersion of homes in rural areas makes wind power several times
more expensive that conventional energy sources.
This appears to be correct. Since the houses are sparsely populated, the cost of wind power increases and hence it weakens the conclusion
(D) The difference between the number of pollutants generated by wind power
and conventional power sources is quite pronounced.
Looks out of scope
(E) The Environmental Impact Coalition issues reports only once a year.
Looks out of scope
Source: GMAT Hacks - 010813


How can this be?
Nowhere is there any focus on money.
The only thing that is used to estimate if energy is good or bad is the amount of pollutants.
I think it's A.
Anyone?
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Re: EnergyMill Company Advertisement: ... [#permalink] New post 06 Nov 2013, 08:42
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I think this is a poorly written question -- I too, thought the answer was A because it makes the premise of the argument incorrect. Like others before have stated, if the argument stated that wind power was the best choice for rural areas because it was cheaper, than C would be the best answer.

Upon further research, I found the original question, which includes an explanation for the answers A and C:

Quote:
This is a weaken question. The shift from the first sentence to the second makes the assumption clear. The argument relies on the underlying claim that, because wind power produces the fewest pollutants, it is the best choice. More probably, there are other considerations. The correct choice will likely point out some other consideration that may outweigh the level of pollutants.

Sure, there are other considerations, but we don't know what other considerations would make something better or worse; therefore, we cannot use other considerations to weaken our argument. For all we know, a higher cost could make something better (in terms of quality, for example -- but we would be making an assumption here, too).

Quote:
(A) A reference to an earlier (or different) report is almost always wrong; we have no way of comparing the validity of the two reports. Anyway, it doesn't address the assumption.

It's a huge assumption to think that an earlier report would almost always be wrong just because it came before the argument's report. And it's not true that we don't know the validity of the two reports; we must conclude that the report in Answer A is just as valid, if not more, than the report from the argument because the question says "if true".

Quote:
(C) This is correct. This is a strong reason why wind power may not be the best choice for new rural areas.

And again, for C, wouldn't we be making an assumption to say that wind power is not the best choice just because it is more expensive? There are plenty of things that are more expensive, but "better". Usually, when we say something is better, we have certain criteria -- in this case, our criteria for "better" is the amount of pollutants it produces. Based solely on this information, and if we know that solar power produces less pollutants than wind power, then we can conclude that solar power is actually the best option.

Of course, maybe I just have a bias against the question now because I got it wrong :wink:

EDIT: after thinking about it, making the premise not true is not the most effective way to weaken an argument. Attacking assumptions in the argument is the better strategy, but again, this question is badly worded. It perhaps might be better written as such:

An Environmental Impact Coalition report shows that wind power produces the fewest pollutants among all green energy alternatives. Since rural areas cannot afford most conventional energy alternatives, EnergyMill wind turbines are the best choice for powering new developments in rural areas.

Which of the following, if true, most seriously weakens the argument in the advertisement?

(A) An earlier Environmental Impact Coalition report showed that solar power produces fewer pollutants than does wind power.
(B) In the last five years, the government has invested more in wind power than in any other form of green energy.
(C) The dispersion of homes in rural areas makes wind power several times more expensive that conventional energy sources.
(D) The difference between the number of pollutants generated by wind power and conventional power sources is quite pronounced.
(E) The Environmental Impact Coalition issues reports only once a year.
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Re: EnergyMill Company Advertisement: ... [#permalink] New post 06 Nov 2013, 10:24
It is clearly A ... since solar power produces fewer pollutants ... it is the best option not wind power...
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Re: EnergyMill Company Advertisement: ... [#permalink] New post 19 Nov 2013, 09:41

Official Explanation


Answer: C - This is a weaken question. The shift from the first sentence to the second makes the assumption clear. The argument relies on the underlying claim that, because wind power produces the fewest pollutants, it is the best choice. More probably, there are other considerations. The correct choice will likely point out some other consideration that may outweigh the level of pollutants.

(A) A reference to an earlier (or different) report is almost always wrong; we have no way of comparing the validity of the two reports. Anyway, it doesn't address the assumption.

(B) The level of government investment is similar to a separate report, as in (A). If anything, it strengthens the claims of wind power supporters, but to be a strengthener, we must assume that the government is making a valid choice.

(C) This is correct. This is a strong reason why wind power may not be the best choice for new rural areas.

(D) This is an irrelevant comparison. The evidence in the argument compares wind power to other green energy alternatives. If anything, this point strengthens the argument, but not very effectively.

(E) The frequency of reports has no effect whatsoever on the argument.

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Re: EnergyMill Company Advertisement: ... [#permalink] New post 19 Nov 2013, 10:02
C is the clear choice. the argument assumes that because wind power has fewer pollutants it is the best choice. but "Best" choice might depend on a variety of factors. so the answers that point to one of the factors and says if this is considered wind power may not be the best will weaken the argument. C does that clearly
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Re: EnergyMill Company Advertisement: ...   [#permalink] 19 Nov 2013, 10:02
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