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Sue: Commercial flights currently contribute more carbon dio

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Manager
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Status: PLAY HARD OR GO HOME
Joined: 25 Feb 2014
Posts: 175

Kudos [?]: 183 [0], given: 623

Location: India
Concentration: General Management, Finance
Schools: Mannheim
GMAT 1: 560 Q46 V22
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Sue: Commercial flights currently contribute more carbon dio [#permalink]

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New post 05 Jul 2014, 00:10
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A
B
C
D
E

Difficulty:

  65% (hard)

Question Stats:

52% (01:08) correct 48% (01:12) wrong based on 303 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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ITS NOT OVER , UNTIL I WIN ! I CAN, AND I WILL .PERIOD.

Kudos [?]: 183 [0], given: 623

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

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New post 07 Jul 2014, 02:35
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.

Kudos [?]: 19 [0], given: 76

3 KUDOS received
Manager
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Status: PLAY HARD OR GO HOME
Joined: 25 Feb 2014
Posts: 175

Kudos [?]: 183 [3], given: 623

Location: India
Concentration: General Management, Finance
Schools: Mannheim
GMAT 1: 560 Q46 V22
GPA: 3.1
GMAT ToolKit User
Re: Sue: Commercial flights currently contribute more carbon dio [#permalink]

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New post 07 Jul 2014, 03:30
3
This post received
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.. :-D


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 :-D
_________________

ITS NOT OVER , UNTIL I WIN ! I CAN, AND I WILL .PERIOD.

Kudos [?]: 183 [3], given: 623

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

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New post 21 Dec 2015, 23:30
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).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.

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

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New post 05 Aug 2017, 11:23
Only choices A & B are strong contenders.

One of the reasons I didn't choose A is that it concludes flights are a major contributor to air pollution. The only comparison we have is between flights and whole of Africa. But we don't know if Africa is a major contributor to air pollution. Sure comparing carbon emission by flights to a continent's is promising but what if Africa only contributes say 2% to total pollution and flights contribute only 2.1%?

Choice B is my answer

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

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New post 08 Aug 2017, 09:13
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
The point that flights are major contributor to increase carbon dioxide does not stand correct.
B. add more weight to her contention that we should reduce the number of flights we take
Correct answer.
C. mitigate the force of her argument by suggesting that there is an alternative approach
No alternate approach.
D. suggest an alternative that will reduce the effect of pollution
No such suggestion.
E. question whether she really understands the severity of global warming
No such counter argument to test her understanding.

Kudos [?]: 76 [0], given: 18

Re: Sue: Commercial flights currently contribute more carbon dio   [#permalink] 08 Aug 2017, 09:13
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