Contrary to earlier conjectures, it may be that increased : GMAT Sentence Correction (SC)
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# Contrary to earlier conjectures, it may be that increased

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Manager
Joined: 09 Jun 2009
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Contrary to earlier conjectures, it may be that increased [#permalink]

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20 Oct 2009, 11:31
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222. Contrary to earlier conjectures, it may be that increased atmospheric carbon dioxide as a result of burning fossil fuels would cool the globe by reducing the amount of solar energy absorbed by snow.
(A) increased atmospheric carbon dioxide as a result of burning--Incorrect
(B) increased atmospheric carbon dioxide resulting from the combustion of
(C) increasing carbon dioxide in the atmosphere resulting from the combustion of
(D) carbon dioxide in the atmosphere that increase from burning
(E) atmospheric carbon dioxide that increased from burning
--Incorrect

Why is B the answer and not C in the solution?
pls explain?
If you have any questions
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20 Oct 2009, 15:25
Answer C changes the original meaning of the sentence.

"increased" denotes that the amount of atmospheric carbon dioxide has become greater by a finite amount.

"increasing" means that the amount of atmospheric carbon dioxide has become greater and is continuing to grow.

The original intent of the sentence is to use "increased," so I would go with answer B
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20 Oct 2009, 16:43
yeah B & C very close

i still feel C is the answer. increasing is more apt there
Manager
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21 Oct 2009, 03:06
Yeah even i feel C is more apt.....
i'll go for C.........
But i would like to debate more on option B.....
Can you pls clarify further how B changes the meaning of the sentence?

Thanks
BSchool Forum Moderator
Joined: 01 Oct 2009
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16 Mar 2010, 19:18
This explanation helps

a)
you can't use "as a result of" to modify a noun; it can only modify a clause. for instance, you can say
carbon dioxide levels increased as a result of...
but you can't say
the carbon dioxide as a result of ... did this.

(c)
* wordy in comparison to (b)
* because there's no comma before the modifier resulting from the combustion..., that modifier technically modifies the adjacent noun atmosphere. that's nonsense, of course: the atmosphere didn't result from the combustion of fossil fuels (not to mention that this writing suggests the existence of more than one atmosphere).
Re: SC 1000/222   [#permalink] 16 Mar 2010, 19:18
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