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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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New post 18 Jun 2017, 05:59
Quote:
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


GMATNinja, Could you help to explain this question? It is tricky. Does the correct idiom is "twice as much as"?

Is it to eliminate (B) because of the word "annually" is unnecessary?

The correct version:

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 that emitted annually by all motor vehicles in the Chicago metropolitan area.

Quote:
Excerpt from Manhattan Sentence Correction

RIGHT:
He is TWICE AS tall AS Alex [is].
Leaves fall TWICE AS quickly AS they grow.
Naomi wrote TWICE AS MANY letters AS Sara [did].
Naomi wrote ten letters, DOUBLE THE NUMBER THAT Sara wrote.
Naomi's income DOUBLED in three years.
Naomi DOUBLED her income in three years.

WRONG:
He is TWICE AS tall THAN Alex [is].
Leaves fall TWICE AS quickly AS their rate of growth.
Naomi wrote DOUBLE THE LETTERS THAT Sara did.
Naomi's income INCREASED BY TWICE in three years.

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

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New post 18 Jun 2017, 10:01
hazelnut wrote:
Is it to eliminate (B) because of the word "annually" is unnecessary?


Here's what (B) says:

    "...environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'Hare International Airport is twice as much annually as is emitted by the..."

"Annually" isn't just unnecessary here -- it's 100% ridiculously redundant. You can sometimes get away with a little bit of wordiness on the GMAT, but there's no grey area on this one.
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Re: Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 18 Jun 2017, 19:07
Correct I got it..
What is compared here?
amount of pollutant (emitted) at O'Hare international airport with amount of pollutant (emitted) by all motor vehicles in Chicago area.
In short phrase(amount of pollutant at O'Hare international) should be compared to phrase(amount of pollutant at Chicago)
a) It contains clause(presence of is being)
b)Clause(Presence of is)
c)Clause(Presence of what is annually)
d)Perfect phrase(that can be replaced by amount of pollutant)
e)wrong sense

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

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New post 24 Sep 2017, 09:59
(A) as much as that which is being emitted annually by all=> which is not preceded by comma
(B) as much annually as is emitted by the => redundant
(C) as much compared to what is annually emitted by all => same error as E
(D) that emitted annually by all => correct and no mistakes
(E) that emitted annually compared to the => twice and compared are redundant
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Providing initial evidence that airports are a large source of polluti [#permalink]

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New post 15 Oct 2017, 01:58
burnttwinky 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 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

Similar Question from OG : [LINK]

[Reveal] Spoiler:
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?


D is clear winner here.
However, could an expert please help me to understand the concept of ellipsis here?

(D) 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 that emitted annually by all motor vehicles in the Chicago metropolitan area.

here that = the total amount of pollutant
my question is, why not
that = the total amount of pollutant emitted annually

In that case, is the following correct?

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 that by all motor vehicles in the Chicago metropolitan area.

Just want to clarify what can we include within an ellipsis, and what we cannot.

Regards

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

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New post 19 Oct 2017, 07:32
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TheRzS wrote:
burnttwinky 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 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

Similar Question from OG : [LINK]

[Reveal] Spoiler:
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?


D is clear winner here.
However, could an expert please help me to understand the concept of ellipsis here?

(D) 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 that emitted annually by all motor vehicles in the Chicago metropolitan area.

here that = the total amount of pollutant
my question is, why not
that = the total amount of pollutant emitted annually

In that case, is the following correct?

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 that by all motor vehicles in the Chicago metropolitan area.

Just want to clarify what can we include within an ellipsis, and what we cannot.

Regards


A pronoun ideally refers to a noun (or a noun phrase) only. It is not recommended to use a pronoun to refer to a noun along with a noun modifier.

Here the pronoun "that" refers to the noun phrase "the total amount of pollutant " - it would be questionable to use the pronoun to refer to the noun phrase "the total amount of pollutant" + noun modifier "emitted annually" together.

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

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New post 19 Oct 2017, 21:27
burnttwinky 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 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

Similar Question from OG : [LINK]

[Reveal] Spoiler:
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?



it is great that you provide LINK TO SIMILAR QUESTIONS ON OG. keep doing so.

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Re: Providing initial evidence that airports are a large source of polluti   [#permalink] 19 Oct 2017, 21:27

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