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Proponents of the electric car maintain that when

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Proponents of the electric car maintain that when [#permalink]

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Proponents of the electric car maintain that when the technical problems associated with its battery design are solved, such cars will be widely used and, because they are emission-free, will result in an abatement of the environmental degradation caused by auto emissions. But unless we dam more rivers, the electricity to charge these batteries will come from nuclear or coal-fired power plants. Each of these three power sources produces considerable environmental damage. Thus, the electric car ____________.

Which one of the following most logically completes the argument?

(A) will have worse environmental consequences than its proponents may believe
(B) will probably remain less popular than other types of cars
(C) requires that purely technical problems be solved before it can succeed
(D) will increase the total level of emissions rather than reduce it
(E) will not produce a net reduction in environmental degradation

Source: LSAT
[Reveal] Spoiler: OA

Last edited by broall on 18 Sep 2017, 18:44, edited 1 time in total.
Reformatted question

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 10 Nov 2009, 04:50
E for me. Other choices cannot be proved.

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 10 Nov 2009, 05:55
RisingForceX wrote:
Proponents of the electric car maintain that when the technical problems associated with its battery design are solved, such cars will be widely used and, because they are emission-free, will result in an abatement of the environmental degradation caused by auto emissions. But unless we dam more rivers, the electricity to charge these batteries will come from nuclear or coal-fired power plants. Each of these three power sources produces considerable environmental damage. Thus, the electric car_________

Which one of the following most logically completes the argument?

(A) will have worse environmental consequences than its proponents may believe
(B) will probably remain less popular than other types of cars
(C) requires that purely technical problems be solved before it can succeed
(D) will increase the total level of emissions rather than reduce it
(E) will not produce a net reduction in environmental degradation


A for me.

Argument starts with proponent's belief about usage and environmental consequences of electric cars.
Then we provide a counterpremise.
Thus, in conclusion it's logically to refer back to proponent's belief. (That is, therefore belief is wrong)

A solves it accurately

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 10 Nov 2009, 11:16
Economist, my only issue with E is that the text doesn’t warrant a statement about the net affect. The proponents of those cars believe that the environmental degradation will be abated that’s caused just by emission. It doesn’t mention anything else which IMO is necessary for a net affect statement. The text does absolutely support A though because it points out things that the proponents have not explicitly weighed.
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Re: Proponents of the electric car maintain that when [#permalink]

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New post 10 Nov 2009, 12:28
RisingForceX wrote:
Proponents of the electric car maintain that when the technical problems associated with its battery design are solved, such cars will be widely used and, because they are emission-free, will result in an abatement of the environmental degradation caused by auto emissions. But unless we dam more rivers, the electricity to charge these batteries will come from nuclear or coal-fired power plants. Each of these three power sources produces considerable environmental damage. Thus, the electric car_________

Which one of the following most logically completes the argument?

(A) will have worse environmental consequences than its proponents may believe
(B) will probably remain less popular than other types of cars
(C) requires that purely technical problems be solved before it can succeed
(D) will increase the total level of emissions rather than reduce it
(E) will not produce a net reduction in environmental degradation


Between "A" and "E", I will go for "A".The passage mentions that 3 sources can produce significant environmental damage. It doesn't directly compare environmental impacts produced by auto emissions and 3 other sources.

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 11 Nov 2009, 09:53
The OA is (A).

Thanks all for sharing your opinions.

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 11 Nov 2009, 10:07
Quote:
Proponents of the electric car maintain that when the technical problems associated with its battery design are solved, such cars will be widely used and, because they are emission-free, will result in an abatement of the environmental degradation caused by auto emissions. But unless we dam more rivers, the electricity to charge these batteries will come from nuclear or coal-fired power plants. Each of these three power sources produces considerable environmental damage. Thus, the electric car_________

Which one of the following most logically completes the argument?

(A) will have worse environmental consequences than its proponents may believe
(B) will probably remain less popular than other types of cars
(C) requires that purely technical problems be solved before it can succeed
(D) will increase the total level of emissions rather than reduce it
(E) will not produce a net reduction in environmental degradation


I am going with A thru POE. I have a doubt with A - isn't 'will' indicating certainty when it should actually be 'would' (use of unless). Also, from C, isnt the electricity to charge batteries (battery issue) from nuclear and coal fired plants a technical issue?

I am still not too sure about C being wrong

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 11 Nov 2009, 15:34
My answer is A


A) looks fine. Next
B) It says nothing about the popularity of these cars. Says about what environmentalists say about them
C) Out of scope
D) it is not guaranteed
E) it is not guaranteed too

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 10 May 2011, 04:34
Between A and E, A involves the proponents thinking too.That makes it better choice.
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Re: Proponents of the electric car maintain that when [#permalink]

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Proponents of the electric car maintain that when the technical problems associated with its battery design are solved, such cars will be widely used and, because they are emission-free, will result in an abatement of the environmental degradation caused by auto emissions. But unless we dam more rivers, the electricity to charge these batteries will come from nuclear or coal-fired power plants. Each of these three power sources produces considerable environmental
damage. Thus, the electric car _______.
Which one of the following most logically completes the argument?
(A) will have worse environmental consequences than its proponents may believe
(B) will probably remain less popular than other types of cars
(C) requires that purely technical problems be solved before it can succeed
(D) will increase the total level of emissions rather than reduce it
(E) will not produce a net reduction in environmental degradation
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Re: Proponents of the electric car maintain that when [#permalink]

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New post 19 Nov 2013, 03:12
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i go with A...

The author with all his reasoning says that switching to electric cars won’t necessarily reduce environmental damage.

(A) will have worse environmental consequences than its proponents may believe- Seems to be better option- hold.
(B) will probably remain less popular than other types of cars- Info can be true sometime but not always true,
(C) requires that purely technical problems be solved before it can succeed- uses similar terminology as in the passage but presents irrelevant information
(D) will increase the total level of emissions rather than reduce it- Too extreme or out of scope.
(E) will not produce a net reduction in environmental degradation- the author never compares levels of environmental damage. So out..


A is the correct answer. Please post the exact source of the question. Is it a LSAT question??
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Re: Proponents of the electric car maintain that when [#permalink]

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New post 14 Feb 2015, 06:41
This is killer, both A and E are looking suitable. Can any expert guide here ?

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 14 Feb 2015, 21:50
The term "Each of these three power sources produces considerable environmental damage" in question, did not state will it be higher or lower than that of auto emissions. So how could we say that E-cars will have WORSE impact on environment? How could it be A.

Rather, E stays neutral. Seems E must be the suitable one..

And as for the term "environmental degradation" in option E. Check the premise, which has "will result in an abatement of the environmental degradation". So my take is E.

Experts, please help...

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Re: Proponents of the electric car maintain that when [#permalink]

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sheolokesh wrote:
The term "Each of these three power sources produces considerable environmental damage" in question, did not state will it be higher or lower than that of auto emissions. So how could we say that E-cars will have WORSE impact on environment? How could it be A.

Rather, E stays neutral. Seems E must be the suitable one..

And as for the term "environmental degradation" in option E. Check the premise, which has "will result in an abatement of the environmental degradation". So my take is E.

Experts, please help...


The answer is A. Answer E messes with the wording to try to trap you into the answer. The environmentalists are saying that electric cars eliminate environmental impact. It is definitely still possible to have them not be as great as the environmentalists think, but still be greater than the current system.

Answer A is right for that very reason. It will have worse consequences than the proponents believe, because the proponents believe it will have ZERO consequences. That's why A is right.

This may sound a little fuzzy, but I'll give you the advice that helped me on the LSAT (which I think offers much tougher CR questions than the GMAT). When I was doing the LSAT, I kept missing stupid CR questions until I realized one very important fact. There are no varying degrees of how "good" an answer is on the CR portion. One answer is RIGHT and the other four are WRONG. If you go through the 5 choices and think that two or more "could" be right, then something is wrong. It means that you are missing a key nuance somewhere. Either in the prompt, the question, or the answer choice. When that happens, I usually start by rereading the choices I'm debating between. After that I reread the question, then I reread the prompt (assuming that you haven't spotted the issue along the way). I give that order because I've found that for me personally, it breaks down like this. When I'm in that situation, about 60% of the time my error was in missing a nuance in the choices i'm debating between. About 30% of the time the error is in reading the other choices. And then about 10% of the time it's from the question or the prompt.

Whenever I've tutored people I've told them that this is the single most valuable piece of information I ever figured out. It allowed me to go from consistently making stupid errors, to literally never missing a single CR question. It'll take some time to figure it out, but I encourage you to try it. When you do figure it out you'll feel a million times more confident on CR questions.

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 15 Feb 2015, 02:21
Cartman4179 wrote:
sheolokesh wrote:
The term "Each of these three power sources produces considerable environmental damage" in question, did not state will it be higher or lower than that of auto emissions. So how could we say that E-cars will have WORSE impact on environment? How could it be A.

Rather, E stays neutral. Seems E must be the suitable one..

And as for the term "environmental degradation" in option E. Check the premise, which has "will result in an abatement of the environmental degradation". So my take is E.

Experts, please help...


The answer is A. Answer E messes with the wording to try to trap you into the answer. The environmentalists are saying that electric cars eliminate environmental impact. It is definitely still possible to have them not be as great as the environmentalists think, but still be greater than the current system.

Answer A is right for that very reason. It will have worse consequences than the proponents believe, because the proponents believe it will have ZERO consequences. That's why A is right.

This may sound a little fuzzy, but I'll give you the advice that helped me on the LSAT (which I think offers much tougher CR questions than the GMAT). When I was doing the LSAT, I kept missing stupid CR questions until I realized one very important fact. There are no varying degrees of how "good" an answer is on the CR portion. One answer is RIGHT and the other four are WRONG. If you go through the 5 choices and think that two or more "could" be right, then something is wrong. It means that you are missing a key nuance somewhere. Either in the prompt, the question, or the answer choice. When that happens, I usually start by rereading the choices I'm debating between. After that I reread the question, then I reread the prompt (assuming that you haven't spotted the issue along the way). I give that order because I've found that for me personally, it breaks down like this. When I'm in that situation, about 60% of the time my error was in missing a nuance in the choices i'm debating between. About 30% of the time the error is in reading the other choices. And then about 10% of the time it's from the question or the prompt.

Whenever I've tutored people I've told them that this is the single most valuable piece of information I ever figured out. It allowed me to go from consistently making stupid errors, to literally never missing a single CR question. It'll take some time to figure it out, but I encourage you to try it. When you do figure it out you'll feel a million times more confident on CR questions.



Thanks Cart. I will try this. And the answer choices. A seems suitable. As conclusion, if we negate them, it must not hold the argument in any way. Negation just like we do in the assumption questions.

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Re: Proponents of the electric car maintain that when [#permalink]

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Re: Proponents of the electric car maintain that when [#permalink]

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Re: Proponents of the electric car maintain that when [#permalink]

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New post 24 Apr 2017, 04:00
Good question. Narrow down to E and A.

E is going beyond what the author said. "will not reduce" introduce a comparison between the existing impact and the impact related to the electric cars. Actually, we don't know if the impact of electric cars will not reduce the total level of degradation.

A is the best choice.
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Re: Proponents of the electric car maintain that when [#permalink]

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New post 22 Jul 2017, 23:33
Hi Experts GMATNinja mikemcgarry

I was able to cross out only B confidently (popularity in now where discussed in the argument)

For C-> confused between success of cars and its wide usage.

D -> it after solving technical problems, electric cars are widely used, then without cutting the source of these battery (ie nuclear or coal based plants) total level of emission is bound to increase.

E-> same reasoning as in (D)
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Re: Proponents of the electric car maintain that when [#permalink]

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New post 26 Jul 2017, 10:18
Merged topics. Please, search before posting questions!
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Re: Proponents of the electric car maintain that when   [#permalink] 26 Jul 2017, 10:18

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