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# Those skeptical of the extent of global warming argue that

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Manager
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Re: Those skeptical of the extent of global warming argue that [#permalink]

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05 Aug 2013, 15:09
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Re: Those skeptical of the extent of global warming argue that [#permalink]

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09 Sep 2014, 07:25
Hello from the GMAT Club VerbalBot!

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Re: Those skeptical of the extent of global warming argue that [#permalink]

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09 Sep 2014, 08:03
danzig wrote:

In choice E, are "whether significant...occur" and "what impact...have" noun phrases? According to the structure of the sentence, they must be noun phrases because they come after a preposition (over), and only noun and noun phrases can follow a preposition.
However, both don't seem noun phrases:

Can "whether + clause" be a noun phrase?
Also, I cannot identify what kind of structure "what impact it would have" is
.

It seems a clause. Is "what" working as a pronoun in this sentence? :s
Finally, they don't seem parallel at all, but "AND" requires parallelism.

"what impact it would have" is a big noun phrase (though, I forgot the grammatical name for that ) , and such structure will always be singular. Consider following examples -
1- "WHAT YOU LIKE MOST DURING CHILDHOOD" ultimately BECOMES your passion/habit.
2- "WHETHER A HAMPER BE PRESENTED TO EACH ATTENDEE AT YOUR WEDDING" IS a matter of choice.

Hope it helps !
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Re: Those skeptical of the extent of global warming argue that [#permalink]

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09 Sep 2014, 20:17
Those skeptical of the extent of global warming argue that
short-term temperature data are an inadequate means of predicting long-term trends and
point out that
the scientific community remains divided on
whether significant warming will occur and
what impact will it have if it does.

A. on whether significant warming will occur and what impact will it have if it does.
B. on whether warming that occurs will be significant and the impact it would have.
C. as to whether significant warming will occur or the impact it would have if it did.
D. over whether there will be significant warming or the impact it will have.
E. over whether significant warming will occur and what impact it would have.

I have couple of questions here.I tried to refer other posts, but it is till not clear to me.

Q1: Can someone help me to understand the difference between A and E.What makes E win over A?

Q2: Is would correct in E?
The usage I am aware of is:
If i meet him, i will tell him. (Present form when action still hasn't happened)
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Last edited by JarvisR on 21 Sep 2014, 07:15, edited 1 time in total.
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Re: Those skeptical of the extent of global warming argue that [#permalink]

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09 Sep 2014, 22:22
danzig wrote:
In choice E, are "whether significant...occur" and "what impact...have" noun phrases?

No they are clauses: Noun clauses. Prepositions can be followed by clauses. For example:

The jury found him guilty for what he did.
- The preposition for followed by noun clause what he did.

An example from OG-13, #34:

Beyond the immediate cash flow crisis that the museum faces, its survival depends on whether it can broaden its membership and leave its cramped quarters for a site where it can store and exhibit its more than 12,000 artifacts.
- The preposition on followed by noun clause whether it can broaden its membership.....
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Re: Those skeptical of the extent of global warming argue that [#permalink]

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08 May 2015, 00:13
bakfed wrote:
Those skeptical of the extent of global warming argue that short-term temperature data are an inadequate means of predicting long-term trends and point out that the scientific community remains divided on whether significant warming will occur and what impact will it have if it does.

A. on whether significant warming will occur and what impact will it have if it does.
B. on whether warming that occurs will be significant and the impact it would have.
C. as to whether significant warming will occur or the impact it would have if it did.
D. over whether there will be significant warming or the impact it will have.
E. over whether significant warming will occur and what impact it would have.

Divided on , over is correct. Divided as is incorrect , hence c is out.

A - Whether , if - incorrect
B - changes meaning.
D - Parallellism error.
E - correct.

initially I fell for A
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Re: Those skeptical of the extent of global warming argue that [#permalink]

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29 Oct 2015, 11:10
Can someone explain more clearly ?
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Re: Those skeptical of the extent of global warming argue that [#permalink]

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10 Jan 2016, 11:19
Hi EMPOWERgmatRichC

could you please explain why E is better then A?

and how will and would parallel in option E.

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Those skeptical of the extent of global warming argue that [#permalink]

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19 Jan 2016, 00:47
PathFinder007 wrote:
Hi EMPOWERgmatRichC

could you please explain why E is better then A?

and how will and would parallel in option E.

Regards

Hi PathFinder007,

I'd be happpy to chime in here. Those enticed by A generally subconciously auto-correct this part of the option:
on whether significant warming will occur and what impact will it have if it does.
The "will it" isn't even so much a matter of grammar as it is a flat-out typo.

Now to E (cutting the fluff):
The scientific community remains divided over whether significant warming will occur and what impact it would have.
We're dealing with the subjunctive mood verb tense here in this story since we're taking about the fallout if significant global warming were to occur.

In the subjunctive form, we use "would" to introduce a hypothetical/possible outcome. We wouldn't "would" to intoduce a hypothetical cause. For example: (Wrong: If Krantz would be elected, the ordinance could be revisited. Correct: If Krantz were elected, the ordinance could be revisited.)
Alternatively in this question, the "will" is introducing the hypothetical causal occurance. That's why the "will" here in E is accurate, albeit surprisingly so.

For variety, let me offer a similar example:
Under the new leadership, there is uncertainty as to whether there will be a tariff on Mondola, and what impact that policy could have on international relations.
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Those skeptical of the extent of global warming argue that [#permalink]

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13 Jun 2016, 07:51
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hmm... i like (a) best, but only if it was supposed to say 'it will', and you mis-typed it as 'will it'. if the version you've typed is indeed faithful to the original, then, well, all the choices suck.

reasons:
- 'whether...' and 'what impact...' are parallel.
- the meaning is correct.
- the tenses are parallel: 'will occur' || 'will have'.

choice b:
- the original sentence clearly indicates that scientists don't know whether warming will occur in the first place. this wording, though, assumes that warming will occur; according to this sentence, the only thing in doubt is the extent of such warming.
- 'whether...' is not parallel to 'impact'.

choice c:
- 'as to' is dicey.
- 'or' should be 'and' (because they're wondering about both questions).
- past tense 'did' is inappropriate.

choice d:
- 'or' should be 'and'.
- 'whether...' isn't parallel to 'the impact'.

choice e:
- tense inconsistency: 'will occur' isn't parallel to 'would have'. moreover, 'would have' isn't appropriate for the consequences of something that hasn't even happened yet.

if choice a actually has the original wording posted at the beginning of this thread ('will it' instead of 'it will'), then it's definitely wrong. 'will it' is only ok in the context of a question ('will it rain tomorrow?'), and can't be used as a noun phrase.

process of elimination:
first, i hope it's clear that we want AND, not OR. according to the context of the problem, the scientific community is divided on both of these issues (you don't get a choice between them), so 'and' makes more sense than 'or'.

that leaves choices b and e.

use PARALLELISM to resolve that dilemma:
choice b uses whether... and the impact in parallel.
choice e uses whether... and what impact... in parallel.
thus, choice e has better parallelism.
(incidentally, the same parallelism issue can also be used to get rid of answers c and d, the ones containing 'or')

hope that helps.

we can justify 'would' here by saying that it's a case of the subjunctive mood, which isn't often used in contexts like this one. they're using 'would' instead of 'will' because the occurrence whose consequences are being considered is hypothetical.

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Re: Those skeptical of the extent of global warming argue that [#permalink]

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27 Aug 2016, 04:29
Those skeptical of the extent of global warming argue that short-term temperature data are an inadequate means of predicting long-term trends and point out that the scientific community remains divided on whether significant warming will occur and what impact will it have if it does.

A. on whether significant warming will occur and what impact will it have if it does.
Ron:
will it' is only ok in the context of a question ('will it rain tomorrow?'), and can't be used as a noun phrase.

E. over whether significant warming will occur and what impact it would have.

we want AND, not OR. according to the context of the problem, the scientific community is divided on both of these issues (you don't get a choice between them), so 'and' makes more sense than 'or'.

we can justify 'would' here by saying that it's a case of the subjunctive mood, which isn't often used in contexts like this one. they're using 'would' instead of 'will' because the occurrence whose consequences are being considered is hypothetical.
Re: Those skeptical of the extent of global warming argue that   [#permalink] 27 Aug 2016, 04:29

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