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Providing initial evidence that airports are a large source of polluti

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Providing initial evidence that airports are a large source of polluti [#permalink]

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Providing initial evidence that airports are a larger source of pollution than they were once believed to be, environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'Hare International Airport is twice as much as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.

(A) as much as that which is being emitted annually by all
(B) as much annually as is emitted by the
(C) as much compared to what is annually emitted by all
(D) that emitted annually by all
(E) that emitted annually compared to the

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Can someone explain why you would say "twice that" instead of answer C? Is it just become it's more concise? Can we say twice as much? Or is that considered wordy?
[Reveal] Spoiler: OA

Last edited by hazelnut on 18 Jun 2017, 05:38, edited 2 times in total.

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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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I would like to know the explanation too, but also would like to give it a try.
Here I'll try to identify & omit wrong choices, let's start from 'A'. 'A' is a wrong choice as it can't be same because of "as much as that which is being" it's Wordy (Brevity issue).
now it can't be 'B' as "as much annually as is" is awkward.

In 'C' it says "as much compared to" which is wordy it could have been "as compared to" no need for much, so it can't be C. Also by inserting "compared to" we r changing the meaning of sentence.
It can' be 'E' as again "compared to the" is changing the original meaning of the sentence. And also "compared to" is used for the comparison between two unlike things to stress the resemblance and 'amount of pollutant' is being used for both of the areas which are "like" things

Now coming to D, first of all it's shorter & succinct one and also "that" is much better that "as much as" because "as much as" is used when 2 things are of equal amount or weight or volume etc. whereas "twice that" means twice of the pollutant emitted annually by vehicles at O'Hare International Airport.
So the Answer is "D" (succinct one) :).

Please! correct me if I am wrong. Any addition or advice would be highly appreciable. I just tried to explain as much as I could, btw I am learning grammar too.
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 02 Feb 2010, 04:33
For "B" I wrote following
"as much annually as is" is awkward
actually it's awkward because "as much +adverb as" looks awkward. Isn't it?
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New post 02 Feb 2010, 18:13
Is there something wrong with twice as much opposed to twice "that"?

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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 02 Feb 2010, 23:51
Here is a link-> a guy from Gmatpill explaining the use of "That" instead of "which"
http://www.youtube.com/watch?v=foWx9ffAAb4

There u'll see he explains the usage of "which" and "that" in the sentence when inserting option B out of 5 given choices.
According to him
For
'Stores' --> "which"
but for
'one-third of stores' --> "that"
Similarly for 'twice'--> "that"

Hope it helps :)

But I would like if some expert could explain it as I am not expert ( just trying my best to learn it myself )
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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Providing initial evidence that airports are a larger source of pollution than they were once believed to be,environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'hare International Airport is twice as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.

A.as that which is being emitted annually by all
B.as much annually as is emitted by the
C.as much compared to what is annually emitted y all
D.that emitted annually by all
E.that emitted annually compared to the

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Providing initial evidence that airports are a large source of polluti [#permalink]

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A. as that which is being emitted annually by all – that which is redundant and being emitted is inelegant.
B. as much annually as is emitted by the – annually can not be separated from emitted; as much annually as is emitted is wrong word order.
C .as much compared to what is annually emitted by all – wrong idiom; a comparison stared with -as- should be completed with- as [/b]-
D. than emitted annually by all – perfect parallelism and crisp language ; amount of pollutant [b]emitted annually by vehicles at O’Hare International Airport is matched by that emitted annually by all motor vehicles – This is the right choice

E. that emitted annually compared to the – wrong; comparing emission with motor vehicles.
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Last edited by daagh on 15 Sep 2017, 07:27, edited 1 time in total.

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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 04 Nov 2010, 17:18
D.

A, B and C fail to use 'as much as' correctly with proper comparisons.

E compares that emitted to the vehicles.
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 12 Jun 2011, 07:59
"as much as" is the correct idiom but A is wordy and incorrectly constructed.
Had narrowed it down to A and D.

D is correct..
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 16 Mar 2013, 08:21
soumens wrote:


D is better than C. C has the incorrect idiom "as much compared to..." which is also unnecessarily wordy.

Hope this helps!
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 16 Mar 2013, 09:57
Is "twice" the parallel marker/tag?
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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is twice as much as that which is being emitted annually by allmotor vehicles in the Chicago Metro area

A. ....
Being emitted is WORDY
B. as much annually as is emitted by the
We need 'all' before 'motor vehicles'
C. as much compared to what is annually emitted by all
'as much' anticipates the use of 'as'
D. that emitted annually by all
THAT emitted by ALL -correct
E. that emitted annually compared to
Illogical comparison
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 24 Sep 2014, 09:07
What is the problem with A?
It has the right idiom, and as far as I can tell it's just a little wordy.
Is that it?

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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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ronr34 wrote:
What is the problem with A?
It has the right idiom, and as far as I can tell it's just a little wordy.
Is that it?


Hello ron34

A is wrong because

1. Parallel:
The syntax is: X is twice Y <= X and Y must be parallel, if X is noun phrase, Y should be noun phrase too. Let see what X is. X = total amount of pollutant emitted annually by vehicles. This is noun phrase. But Y = that which is being emitted....... This is a clause (has both subject and verb). The parallel structure is not maintained.

2. Grammar:
"that which" is considered unidiomatic in GMAT.

Hope it helps.
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 22 Apr 2015, 12:25
ronr34 wrote:
What is the problem with A?
It has the right idiom, and as far as I can tell it's just a little wordy.
Is that it?


Providing initial evidence that airports are a larger source of pollution than they were once believed to be,environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'hare International Airport is twice as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.

A.as that which is being emitted annually by all

A is wrong because of parallelism issues. 'pollutant emitted' is not parallel to 'being emitted'. Secondly, usage of 'that which' is incorrect and awkward.
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 23 May 2016, 09:10
student26 wrote:
Providing initial evidence that airports are a larger source of pollution than they were once believed to be,environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'hare International Airport is twice as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.

A.as that which is being emitted annually by all
B.as much annually as is emitted by the
C.as much compared to what is annually emitted y all
D.that emitted annually by all
E.that emitted annually compared to the


The comparison is between amount of pollutant emitted annually by vehicles at airport and amount of pollutant emitted by all motor vehicles in metro area.

A.as that which is being emitted annually by all that and which are redundant
B.as much annually as is emitted by the 'annually' should be after 'emitted'
C.as much compared to what is annually emitted y all compared to what is not the right idiom
D.that emitted annually by all correct choice as it compares 'amount' of both elements
E.that emitted annually compared to the 'compared to the motor vehicle' is wrong comparison
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 23 May 2016, 10:12
student26 wrote:
Providing initial evidence that airports are a larger source of pollution than they were once believed to be,environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'hare International Airport is twice as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.

A.as that which is being emitted annually by all
B.as much annually as is emitted by the
C.as much compared to what is annually emitted y all
D.that emitted annually by all
E.that emitted annually compared to the


it takes me a long time to find how b is wrong.

b is a comparison so we apply the parallel rule here. comparison must be in paralel form.

there is no " is emitted" in preceding clause. so we can not use "is emitted" at the second part of comparison. application of paralelism to comparison is simple but help us to see. meaningly, "is " dose not go with "emitted" but go with subject of the second part of comparison

we should use "that emitted....... IS " because the first part we have "amount ... emitted".

takeaway
focus on what are compared and apply paralelism to the writing.

too hard
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 23 May 2016, 10:20
"is " in the first part of comparison belongs to amount . "is" in the second part belongs to "emitted" . not parallel logically
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 12 Jul 2016, 23:56
GMAT adds unnecessary words in sentences to confuse test takers and waste their time.
The sentence in this question can be reduced to a clean, crisp one line by removing all the crap. See for your self.

Providing initial evidence that airports are a larger source of pollution than they were once believed to be,environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'hare International Airport "X" is twice as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area. "Y"

Now you can easily come to the correct choice D
The total amount of pollutant emitted annually by vehicles at X is twice that emitted annually by vehicles in Y.

student26 wrote:
Providing initial evidence that airports are a larger source of pollution than they were once believed to be,environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'hare International Airport is twice as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.

A.as that which is being emitted annually by all
B.as much annually as is emitted by the
C.as much compared to what is annually emitted y all
D.that emitted annually by all
E.that emitted annually compared to the

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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 15 Sep 2016, 07:24
Clarity and concision.

A: incorrect: "which is being" - incorrect. "being" is almost always incorrect

B: incorrect: the placement of "annually" no longer describes "emitted"

C: incorrect: not concise and unidiomatic: "twice as much compared to" should be "twice as much as" or simply "twice."

D: correct. "amount X is twice amount Y" is better than "amount X is twice as much as amount Y"

E: incorrect: "compared to" is credundant
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Re: Providing initial evidence that airports are a large source of polluti   [#permalink] 15 Sep 2016, 07:24

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