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In many of the world’s regions, increasing pressure on water resources

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In many of the world’s regions, increasing pressure on water resources [#permalink]

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The Official Guide for GMAT Verbal Review 2018
Practice Question
Sentence Correction
Question no. 270

In many of the world’s regions, increasing pressure on water resources has resulted both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward.

A. both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward
B. both from expanding development or changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
C. from expanding development, changes in climate, and also from pollution, so that the future supply in some of the more arid areas is a matter of concern going forward
D. from expanding development, changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
E. from expansion of development, changes in climate, and from pollution, so that supplies in some of the more arid areas are a future concern
[Reveal] Spoiler: OA

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Re: In many of the world’s regions, increasing pressure on water resources [#permalink]

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On a tricky sentence correction such as this one, begin by identifying the main subject, in this case "increasing pressure on water resources" and use it as a reference for all other subjects and verbs in the underlined portion. As written, the sentence states that "the future supply... is a concern". This singular subject is not parallel with the plural noun "water resources", so eliminate choice A as well as choice C that repeats this error. Choice E moves the modifying adjective "future" from before "supplies" to before "concern", thus changing the meaning of the sentence, so eliminate choice E. Lastly, choice B incorrectly uses the pairing modifier "both" with "and" as well as "or", which makes it unclear as to what the list of phenomena "increasing pressure on water resources" includes. The correct answer is D.
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Re: In many of the world’s regions, increasing pressure on water resources [#permalink]

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In many of the world’s regions, increasing pressure on water resources has resulted both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward.

A. both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward ----- 1. 'Both' has no locus-standi here. There are neither two lists nor just two factors. 2. Use of from for the factor in the list mars //ism.

B. both from expanding development or changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern -- 1. Same reason as in A2, both … or is unidiomatic

C. from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a matter of concern going forward--- 1. 'and from' is and unparallel 2.' Future supply' and 'going forward' is unparallel.

D. from expanding development, changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern ----correct choice.


E. from expansion of development, changes in climate, and from pollution, so that supplies in some of the more arid areas are a future concern -- 'and from' is unparallel.

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Re: In many of the world’s regions, increasing pressure on water resources [#permalink]

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New post 09 Oct 2017, 12:48
A. both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward should be both from X and from Y. But here it says Both from X, Y and From Z which is wrong. Also future supply and going forward is redundant
B. both from expanding development or changes in climate, and pollution, so that future supplies in some of the more arid areas are a concernSame as error A
C. from expanding development, changes in climate, and also from pollution, so that the future supply in some of the more arid areas is a matter of concern going forwardAnd also is redundant here
D. from expanding development, changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
E. from expansion of development, changes in climate, and from pollution, so that supplies in some of the more arid areas are a future concernThe parallelism is not followed here

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In many of the world’s regions, increasing pressure on water resources [#permalink]

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New post 15 Oct 2017, 00:26
AbdurRakib wrote:
The Official Guide for GMAT Verbal Review 2018
Practice Question
Sentence Correction
Question no. 270

In many of the world’s regions, increasing pressure on water resources has resulted both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward.

A. both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward
B. both from expanding development or changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
C. from expanding development, changes in climate, and also from pollution, so that the future supply in some of the more arid areas is a matter of concern going forward
D. from expanding development, changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
E. from expansion of development, changes in climate, and from pollution, so that supplies in some of the more arid areas are a future concern


The question can be best approached with parallelism.
The sentence is talking about the consequences and the causes for “increasing pressure on water resources”.
The causes for increasing pressure are cited in a list that needs to be parallel - expanding development, changes in environment and pollution. The correct way to express this would be “ increasing pressure on water resources from X,Y & Z. Only choice D uses the structure without destroying parallelism.

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In many of the world’s regions, increasing pressure on water resources [#permalink]

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New post 07 Nov 2017, 17:46
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In many of the world’s regions, increasing pressure on water resources has resulted both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward.

A) both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward
B) both from expanding development or changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
C) from expanding development, changes in climate, and also from pollution, so that the future supply in some of the more arid areas is a matter of concern going forward
D) from expanding development, changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
E) from expansion of development, changes in climate, and from pollution, so that supplies in some of the more arid areas are a future concern

SC# 270 Verbal Review 2018

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Re: In many of the world’s regions, increasing pressure on water resources [#permalink]

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New post 07 Nov 2017, 18:55
In many of the world’s regions, increasing pressure on water resources has resulted both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward.

The parallel structure in this sentence should be "increasing pressure on water resources has resulted from X, Y and Z, ...". Only D followed the structure.

D correct

A) both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward
B) both from expanding development or changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
C) from expanding development, changes in climate, and also from pollution, so that the future supply in some of the more arid areas is a matter of concern going forward
D) from expanding development, changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern - Correct
E) from expansion of development, changes in climate, and from pollution, so that supplies in some of the more arid areas are a future concern
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Re: In many of the world’s regions, increasing pressure on water resources   [#permalink] 07 Nov 2017, 18:55
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