Sue: Commercial flights currently contribute more carbon dio : GMAT Critical Reasoning (CR)
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# Sue: Commercial flights currently contribute more carbon dio

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Manager
Status: PLAY HARD OR GO HOME
Joined: 25 Feb 2014
Posts: 181
Location: India
Concentration: General Management, Finance
Schools: Mannheim
GMAT 1: 560 Q46 V22
GPA: 3.1
Followers: 1

Kudos [?]: 109 [0], given: 623

Sue: Commercial flights currently contribute more carbon dio [#permalink]

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04 Jul 2014, 23:10
00:00

Difficulty:

65% (hard)

Question Stats:

55% (02:08) correct 45% (01:09) wrong based on 194 sessions

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Sue: Commercial flights currently contribute more carbon dioxide to the atmosphere in one year than does the whole of Africa. If we want to reduce global warming we need to restrict the number of flights we take.

Dave: Did you know that by taking one inter-continental flight you cause more pollution than you would in twelve months of car travel?

Dave’s response to Sue’s comment serves to

A. reinforce Sue’s contention that flights are a major contributor to increased carbon dioxide levels
B. add more weight to her contention that we should reduce the number of flights we take
C. mitigate the force of her argument by suggesting that there is an alternative approach
D. suggest an alternative that will reduce the effect of pollution
E. question whether she really understands the severity of global warming

all the best peeps..hope u all get it right
Reply if anyone wants OE..
[Reveal] Spoiler: OA

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Joined: 30 Jun 2014
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Re: Sue: Commercial flights currently contribute more carbon dio [#permalink]

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07 Jul 2014, 01:35
Quote:
Sue: Commercial flights currently contribute more carbon dioxide to the atmosphere in one year than does the whole of Africa. If we want to reduce global warming we need to restrict the number of flights we take.

Dave: Did you know that by taking one inter-continental flight you cause more pollution than you would in twelve months of car travel?

Dave’s response to Sue’s comment serves to

A. reinforce Sue’s contention that flights are a major contributor to increased carbon dioxide levels
B. add more weight to her contention that we should reduce the number of flights we take

Dave is only elaborating Sue's argument by giving a fact. He nowhere comments about reducing the number of flights one takes.

@vards : Could you please post the OE..need to know why is the option A incorrect.

Thank you.
Manager
Status: PLAY HARD OR GO HOME
Joined: 25 Feb 2014
Posts: 181
Location: India
Concentration: General Management, Finance
Schools: Mannheim
GMAT 1: 560 Q46 V22
GPA: 3.1
Followers: 1

Kudos [?]: 109 [2] , given: 623

Re: Sue: Commercial flights currently contribute more carbon dio [#permalink]

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07 Jul 2014, 02:30
2
KUDOS
Shalabh09 wrote:
Quote:
Sue: Commercial flights currently contribute more carbon dioxide to the atmosphere in one year than does the whole of Africa. If we want to reduce global warming we need to restrict the number of flights we take.

Dave: Did you know that by taking one inter-continental flight you cause more pollution than you would in twelve months of car travel?

Dave’s response to Sue’s comment serves to

A. reinforce Sue’s contention that flights are a major contributor to increased carbon dioxide levels
B. add more weight to her contention that we should reduce the number of flights we take

Dave is only elaborating Sue's argument by giving a fact. He nowhere comments about reducing the number of flights one takes.

@vards : Could you please post the OE..need to know why is the option A incorrect.

Thank you.

Hello friend..!

here u go..hope it helps u clear ua doubts..

OE
Since Dave’s comments don’t challenge what Sue says, we can eliminate answers E and C (mitigate = lessen). His comments reinforce what she says and so A sounds tempting but is wrong since Dave talks about pollution in general and doesn’t mention carbon dioxide. Of the remaining choices, B is best since Dave does give information that suggests, like Sue, that we should take fewer flights. (D is incorrect mainly because Dave is not talking about the ‘effect’ of pollution. Note how careful you have to be that all the words in an answer are exactly right.

Please consider kudos if it helped u
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Re: Sue: Commercial flights currently contribute more carbon dio [#permalink]

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21 Dec 2015, 22:30
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Sue: Commercial flights currently contribute more carbon dio   [#permalink] 21 Dec 2015, 22:30
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# Sue: Commercial flights currently contribute more carbon dio

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