According to some estimates, over 30 percent of the carbon dioxide emi

Question

According to some estimates, over 30 percent of the carbon dioxide emitted in the United States comes from automobiles,  while in Japan automobiles release just over 10 percent of carbon dioxide.

while in Japan automobiles release just over 10 percent of carbon dioxide.

whereas automobiles release just over 10 percent of the carbon dioxide emitted in Japan.

compared to Japan, where automobiles release just over 10 percent.

whereas just over 10 percent of the carbon dioxide emitted comes from automobiles in Japan.

with the carbon dioxide from automobiles in Japan, where it is just over 10 percent.

I do not understand why D is not correct \

I will post OA tomorrow

chetan2u · Answer

B should be the answer..
D changes the meaning..
it means that the 10% of the entire carbon dioxide( in world )comes from  the automobiles in japan ..., 
whereas the meaning should be that 10% of CO2 emitted in Japan comes from auto..
hope it helps

applebus · Answer

It really helps me. Thank you very much
OA is B

Swaroopdev · Answer

chetan2u , is there any rule to choose between 'whereas' and 'while' ?

I know 'while' is used to show time clause but it is also used to show contrast between two ideas or facts just as 'whereas'. Which is more preferable ? Could you please help me understand this ?

dominicraj · Answer

while in Japan automobiles release just over 10 percent of carbon dioxide.
 the meaning changes since we want to convey over 10 percent of CO2 released in japan comes from automobiles.The meaning of the sentence makes it sound as if talking about the composition of the automobile exhaust ie. the exhaust of automobile contains over 10 percent CO2.

whereas automobiles release just over 10 percent of the carbon dioxide emitted in Japan. correct comparison and meaning

compared to Japan, where automobiles release just over 10 percent. "compared to" is used to compare two different entities so firstly its usage here is wrong. Secondly meaning changes like mentioned in option A.

whereas just over 10 percent of the carbon dioxide emitted comes from automobiles in Japan. changes meaning like in option A.

with the carbon dioxide from automobiles in Japan, where it is just over 10 percent. wrong comparison and construction

Regards,
Dom.

chetan2u · Answer

Hi  Swaroopdev ,
you are correct in your observations and the official GMAT Qs too use while for showing both contrast and time frame....
however incase of contrast and two options grammatically correct ,one using while and the other using whereas, we should choose "whereas'..

and yes one more point as an afterthought, here using 'while" can be ambiguous as it can actually mean the time clause too meaning ' at the same time' , and in these situations we should avoid "while"

daagh · Answer

There is a lingering doubt about the comparative structure of B; here, some 30%, a quantum of a gas seems to be in comparison with ‘automobiles’ not another quantum but a machine. This is a fatal flaw, I deem; D might be more acceptable with just an error of style.

Whereas just over 10 percent of the carbon dioxide emitted comes from automobiles in Japan.

If you shift the ‘in Japan” to after emitted, D will become more passable. One can pass it as being the best of the five choices. We need to know the original source’s intent on this

mvictor · Answer

to be honest, I don't see really a correct answers. all the answer choices are ambiguous...

A - compares carbon dioxide with Japan. so out
B - i would choose this one..but still...very oddly worded. 
C - compares carbon with Japan. no.
D - ambiguous...as if from 30%, just over 10% comes from autos in japan.
E - well..the structure is no good at all. so out.

looks more like a bad copy-cat of a OG question.

Nightmare007 · Answer

Hi  bb ,  daagh  Sir,
Why can't we infer :

B means that ALL AUTOMOBILES release 10 % of CO2 released in JAPAN.

I was struck between B and D and chose D for parallelism as both contain alternate interpretations, causing ambiguous meaning.

daagh · Answer

What D in effect means: 
Whereas just over 10 percent of the carbon dioxide emitted( in the US) comes from automobiles in Japan. This is an absurd meaning. 
That is the reason we have to place 'emitted' and 'in Japan' back to back, as done in B.

VerbalBot · Answer

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According to some estimates, over 30 percent of the carbon dioxide emi

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According to some estimates, over 30 percent of the carbon dioxide emi

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