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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: 142
Location: India
Concentration: General Management, Finance
Schools: Mannheim
GMAT 1: 560 Q46 V22
GPA: 3.1
Sue: Commercial flights currently contribute more carbon dio  [#permalink]

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05 Jul 2014, 00:10
4
00:00

Difficulty:

65% (hard)

Question Stats:

53% (01:34) correct 47% (01:27) wrong based on 340 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

_________________
ITS NOT OVER , UNTIL I WIN ! I CAN, AND I WILL .PERIOD.
Intern
Joined: 30 Jun 2014
Posts: 23
Re: Sue: Commercial flights currently contribute more carbon dio  [#permalink]

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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.
Manager
Status: PLAY HARD OR GO HOME
Joined: 25 Feb 2014
Posts: 142
Location: India
Concentration: General Management, Finance
Schools: Mannheim
GMAT 1: 560 Q46 V22
GPA: 3.1
Re: Sue: Commercial flights currently contribute more carbon dio  [#permalink]

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07 Jul 2014, 03:30
4
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
_________________
ITS NOT OVER , UNTIL I WIN ! I CAN, AND I WILL .PERIOD.
Current Student
Joined: 23 Jul 2015
Posts: 152
Re: Sue: Commercial flights currently contribute more carbon dio  [#permalink]

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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%?

Director
Joined: 04 Sep 2015
Posts: 559
Location: India
WE: Information Technology (Computer Software)
Re: Sue: Commercial flights currently contribute more carbon dio  [#permalink]

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