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# Discussion of greenhouse effects has usually focused on whether the

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26 Sep 2018, 21:28
Gmat club verbal expert (GMATNinja) can you please explain the parallelism in question option A.
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26 Sep 2018, 23:50
TamYooo wrote:
Revised version (my opinion)
climatologists have indicated all along that the most obvious effects would be extremes of temperature, precipitation, and storminess and those that would have the largest impact on people

Hi TamYooo, your revised version would be interpreted as:-

The most obvious effects would be:
(i) extremes of temperature, precipitation, and storminess and
(ii) those (effects) that would have the largest impact on people

This is clearly changing the meaning of the original sentence, for it fails to mention that extremes of temperature, precipitation, and storminess are the effects that would have the largest impact on people.
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27 Sep 2018, 04:07
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Discussion of greenhouse effects has usually focused on whether the Earth would warm and by how much, but climatologists have indicated all along that the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess.

Looking through the lens of grammar, notwithstanding the change of meaning contained in many choices in the choices, we can say :

to impact people is ok
impacting the people is ok
to have an impact on people is ok

to impact the most on people is not ok
Impacting the most on the people is not ok

A. the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess --- Probably, the least twisted presentation, although it is not clear whether the compound subject -- the most obvious effects, and those that would have the largest impact on people-- can be taken per se as structurally parallel with a mere noun phrase on one side of the conjunction 'and' followed by a relative clause on the other side. The comma before 'would' that essentially separates the subject form the verb is also aggravating the muddle

B. the effects that are the most obvious ones, extremes of temperature, precipitation, and storminess, would be those impacting the most on people--impacting the most on people is unidiomatic

C. those effects to have the largest impact on people, extremes of temperature, precipitation, and storminess, are what are the most obvious effects ---are what are - This is an error of double verbing. The phrase 'are what' is redundant.

D. extremes of temperature, precipitation, and storminess, the most obvious effects, that they would have the largest impact on people--- A deep fragment, with no sign of verb for the relative clause starting with that extremes …

E. extremes of temperature, precipitation, and storminess, which are the most obvious effects, are those to impact the most on people -- to impact the most on people is unidiomatic.

The takeaway is that this is a GMAT question and we must learn to live with it.
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Re: Discussion of greenhouse effects has usually focused on whether the  [#permalink]

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28 Sep 2018, 19:00
SomwyaaSukriti wrote:
Gmat club verbal expert (GMATNinja) can you please explain the parallelism in question option A.

The main clause here is "Climatologists have indicated all along that the most obvious effects would be extremes of temperature, precipitation, and storminess." The three elements in red are the aforementioned "obvious effects." Note that it's perfectly acceptable for one of the elements to be a noun phrase - "extremes of temperature" - and two of the elements to be simple nouns - "precipitation" and "storminess." The important consideration is that all the elements in the list perform the same function, and here they do.

I hope that helps!
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Re: Discussion of greenhouse effects has usually focused on whether the  [#permalink]

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02 Oct 2018, 05:46
daagh wrote:
In this case, I am rather skeptical about the use of the modal would rather than will. Would Is normally used
1. when a direct speech that is set in the past is converted into a reported or indirect speech, where in the term will is turned into ther past would, to avoid the shift of tense.

2. As a past subjunctive, when presenting a hypothetical ness that is never going to happen.

Ex: if I were to choose to visit a planet, I would rather choose Jupiter, because it is the biggest.

3. Where you want to impart a certain degree of speculation about the event or the phenomenon

Ex: With Sachin losing his sheen, I think that Mumbai Indians would be hammered out in this IPL.
Well, it is just a crude guess and it may or may not happen. There may be other instances, but by and large, thee are the uses of the auxiliary verb would.

In this case, the climatologists have all along indicated that the most obvious effects ware those three things. In fact, it sounds as if these are the only three things that are sure to happen. There seems to be not even an iota of speculation about it. How can we use a verb such as would in such cock-sure circumstances. I rather think that the use of will be the most appropriate in the given text and in A

daagh i guess u are right but don't u think that "climatologists indicated" here means that they were not sure so i guess the *would* is right as per the point 3 of yours
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06 Oct 2018, 02:52
ankur55 wrote:
Discussion of greenhouse effects has usually focused on whether the Earth would warm and by how much, but climatologists have indicated all along that the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess.

(A) the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess

(B) the effects that are the most obvious ones, extremes of temperature, precipitation, and storminess, would be those impacting the most on people

(C) those effects to have the largest impact on people, extremes of temperature, precipitation, and storminess, are what are the most obvious effects

(D) extremes of temperature, precipitation, and storminess, the most obvious effects, that they would have the largest impact on people

(E) extremes of temperature, precipitation, and storminess, which are the most obvious effects, are those to impact the most on people

https://www.nytimes.com/1995/05/23/science/more-extremes-found-in-weather-pointing-to-greenhouse-gas-effect.html

Discussion of the greenhouse effect has usually focused on the question of whether the earth will warm and by how much; scientists believe a doubling of greenhouse gas concentrations would raise the average global temperature by 3 to 8 degrees Fahrenheit. But climatologists have said all along that the most obvious effects, and those that will have the largest impact on people, would be extremes of temperature, precipitation and storminess.

this is hard and beautiful question. it takes me not a short time to solve. I want to add one thing.
there is an error relative to "appositition". apposition is a noun which stand be another noun and modifies this noun
the girl, the person i know , is talking with my teacher.

one kind of appositive error is that the two nouns are in wrong places. 2 places are exchanged
my friend, a good person, come to school today
a good person, my friend, comes to school today
the second sentence is wrong. the second sentence means, any good person is my friend. this make no sense

look at choice B. choice B is similar to the second sentence.

this apposition error is hard to realize , specially when we are in the test room. but this error is meaning/logic error and is prefered by gmat.
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06 Oct 2018, 03:39
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Sananoor

Do you honestly believe that genuine scientists will all along indicate an unproven and doubtful hypothesis as a fact?
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06 Oct 2018, 03:57
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Salient features of this question are:

The effects are the most obvious, and the impact is the largest. We can't say the effects are the largest effect or the impact is the most obvious, notwithstanding other errors, if any.

(A) the most obvious effects, and those that would have the largest impact on people would be extremes of temperature, precipitation, and storminess --- Ok as per the above tenet.

(B) the effects that are the most obvious ones, extremes of temperature, precipitation, and storminess, would be those impacting the most on people-- impacting the most is not provided for in the context. Therefore, out.

(C) those effects to have the largest impact on people, extremes of temperature, precipitation, and storminess, are what are the most obvious effects --- are what are' is redundant -- out

(D) extremes of temperature, precipitation, and storminess, the most obvious effects, that they would have the largest impact on people. This is a blatant fragment. Gone.

(E) extremes of temperature, precipitation, and storminess, which are the most obvious effects, are those to impact the most on people --- same as in B.

A is the last resort.
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17 Oct 2018, 04:13
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I have a doubt concerned to option a and the placement of comma in it. Here their are two subject for one verb. The two subjects are the most obvious effects and those so ideally we should not have a comma between most obvious effects and those. By placing a comma before and arent we violating grammatical rules.

Can you pl correct me.
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Re: Discussion of greenhouse effects has usually focused on whether the  [#permalink]

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17 Jan 2019, 05:19
[quote="ankur55"]Discussion of greenhouse effects has usually focused on whether the Earth would warm and by how much, but climatologists have indicated all along that the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess.

(A) the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess

(B) the effects that are the most obvious ones, extremes of temperature, precipitation, and storminess, would be those impacting the most on people

(C) those effects to have the largest impact on people, extremes of temperature, precipitation, and storminess, are what are the most obvious effects

(D) extremes of temperature, precipitation, and storminess, the most obvious effects, that they would have the largest impact on people

(E) extremes of temperature, precipitation, and storminess, which are the most obvious effects, are those to impact the most on people

This question has changed since originally appearing in the OG book. The underlines section now starts at the beginning. Can someone give me a new explanation for why the answer choice is C rather than E.
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17 Jan 2019, 08:20
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lnstnbass

Can you please give the revised version along with its choices?
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16 Feb 2019, 22:31
It isn't in any answer choice but I wanted to get a better understanding of the split between WOULD AND WILL. Typically would is used to indicate a conditional that happened in the PAST and will is used for the future. Why is it in answer choice, they used WOULD instead of WILL?
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06 Apr 2019, 11:32
can anyone tell me why (D) has no verb?
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06 Apr 2019, 19:09
Bobo0102 wrote:
can anyone tell me why (D) has no verb?

Hi D does not have a verb after that. that is used as a conjunction here and hence, marks the start of a clause. So, there has to be a verb after that.

Let's look at the following correct sentence:

Peter said that he was busy.

After that, we have a clause he was busy (with was being the verb) .

Now, the structure of D is:

that extremes of temperature, precipitation, and storminess, the most obvious effects

As is quite evident, there is no verb in this part.
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07 Apr 2019, 00:58
EducationAisle
so, in the same way, dose option e is wrong as option d?
I know another problem in E is "those"cannot refer to "obvious effects", which are in the parenthetical phrase.
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07 Apr 2019, 05:39
Bobo0102 wrote:
I know another problem in E is "those"cannot refer to "obvious effects", which are in the parenthetical phrase.

Indeed, this would be the easiest reason to eliminate E.
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02 May 2019, 20:29
Hi,

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30 May 2019, 06:50
Discussion of greenhouse effects has usually focused on whether the Earth would warm and by how much, but climatologists have indicated all along that the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess.

(A) the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess. Correct answer

(B) the effects that are the most obvious ones, extremes of temperature, precipitation, and storminess, would be those impacting the most on people( Same as C, and those that also not correctly use)

(C) those effects to have the largest impact on people, extremes of temperature, precipitation, and storminess, are what are the most obvious effects( those use is incorrect)

(D) extremes of temperature, precipitation, and storminess, the most obvious effects, that they would have the largest impact on people( They ??? referring to ?) incorrect

(E) extremes of temperature, precipitation, and storminess, which are the most obvious effects, are those to impact the most on people( Which is referring to storminess so incorrect)
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08 Aug 2019, 21:04
Hello GMATNinja egmat

Could you please clarify why which is wrong in Option E as pointed by various explanations.
Can't which refers to the whole part extremes of temperature, precipitation, and storminess
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10 Aug 2019, 07:40
Hi guys,

Why is "which" in letter E incorrect ?
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