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Contrary to earlier conjectures, it may be that increased

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Contrary to earlier conjectures, it may be that increased [#permalink] New post 09 Jan 2008, 04:42
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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

(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




Please explain your answer
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Re: SC: Carbon Dioxide [#permalink] New post 22 Feb 2008, 08:49
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

(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

B!

The gist of the sentence is "increase in Co2 would reduce the absorption of solar energy". Only A and B come close.
In A , "as a result of " is redundant. Morever, "combustion of fuels" is teh right usage.
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Re: SC: Carbon Dioxide [#permalink] New post 22 Feb 2008, 09:20
I say B too.

It has to be the increased athmospheric carbon dioxide that would cool the globe.
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Re: SC: Carbon Dioxide [#permalink] New post 24 Feb 2008, 14:04
maratikus wrote:
I don't see a problem with E.


I think E has a tense problem -"that increaed "...would cool.
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Re: SC: Carbon Dioxide [#permalink] New post 24 Feb 2008, 19:54
answer :- B

Contrary to earlier conjectures, it may be increased atmospheric carbon dioxide resulting from the combustion of fossil fuels would cool the globe by reducing the amount of solar energy absorbed by snow.

combustion in contrary to burning is a better option

C,D,E,A donot fit in the flow of the sentence
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Re: SC: Carbon Dioxide [#permalink] New post 18 Mar 2008, 10:40
i'm a little bit lost...but I have E...no reasonable explaination. Help!
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Re: SC: Carbon Dioxide [#permalink] New post 19 Mar 2008, 02:01
i'm really sorry guys! i completely forgot to get back to this question with the OA. The OA is B.
A is wrong because the "as" in "as a result of" implies that you are considering the Atmospheric CO as a hypothetical result, not as a factual result. In option B, "resulting from" makes the result factual.
Also, the "increased atmospheric CO" in option B is more concise than what's written in option E.

As for C, "atmosphere resulting" implies that the atmosphere is a factual result of the combustion....not logical

As for D, the "atmosphere that increase from buring.....", how can the atmosphere increase from burning? what is really increase? in size? speed? even if we know what is that increase, is it even logical? no way....

hope this helps
Re: SC: Carbon Dioxide   [#permalink] 19 Mar 2008, 02:01
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