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# According to scientists who monitored its path, an expanding cloud

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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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25 Dec 2013, 00:55
very tough.

as usually, the explanation is easy but the doing is hard. we need to realize which noun among many nouns in the sentence is subject of "brightening and knocking". scaning answer choices, we realize the subject in C is possibley most logic for the "brightening and knocking" .

in the test room, how do we realize this logic/meaning?

any one has any specific skill for this type of question? pls share
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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11 Feb 2014, 08:41
First, the path of what is being monitored? Obviously the cloud right? So D,E are out. Next, 'was what triggered'? That sounds terrible. This one is out. Between A and C note the which in A is modiying earth. This is wrong.

Therefore C is our best choice here

Hope this clarifies
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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06 Oct 2014, 13:37
ChrisLele wrote:
First off, we need to identify whether the scientists are tracking the expanding cloud or the storm. The original sentence clearly indicates that the magnetic field is in the Earth. Therefore, it is the 'expanding cloud...' so we can eliminate (D) and (E). Next we can eliminate (A) because the 'which' incorrectly modifies 'Earth.' The 'it' in (B) is ambiguous. Therefore the answer is (C).

What is the subject in this question?
choice C - Whats brightening referring to? whats the subject here?
Choice B - it is ambiguous but its paralleled with brightened and knocked even though it is passive voice.

I just can't eliminate choice b because of the style issue.

can you please explain C ?

Thank you !
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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07 Jan 2015, 16:55
Eliminate D and E - expanding cloud should be a subject here, not a large storm.
In choice A wich modifies the Earth and says that the Earth brightened the Northern lights - WRONG - The Storm did it.
Eliminate B: two sentences here are connected with AND meaning that an expanding cloud 1)triggered the sotrm and 2) An expanding cloud brightened North...
We are left with choice C
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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17 Jul 2015, 01:28
betterscore wrote:
According to scientists who monitored its path,
an expanding cloud of energized particles ejected from
the Sun recently triggered a large storm in the
magnetic field that surrounds Earth. which brightened
the Northern Lights and also possibly knocking
out a
communications satellite.

(A) an expanding cloud of energized particles
ejected from the Sun recently triggered a large
storm in the magnetic field that surrounds
Earth, which brightened the Northern Lights and
also possibly knocking

(B) an expanding cloud of energized particles
ejected from the Sun was what recently
triggered a large storm in the magnetic field
that surrounds Earth, and it brightened the
Northern Lights and also possibly knocked

(C) an expanding cloud of energized parti cles
ejected from the Sun recently triggered a large
storm in the magnetic field that surrounds
Earth, brightening the Northern Lights and
possibly knocking

(D) a large storm in the magnetic field that
surrounds Earth, recently triggered by an
expanding cloud of energized particles,
brightened the Northern Lights and it possibly
knocked

(E) a large storm in the magnetic field surrounding
Earth was recently triggered by an expanding
cloud of energized particles, brightening the
Northern Lights and it possibly knocked

this is very hard for non native.
read choic A. "and knocking" is wrong because there are no "doing" in the first part which parralel to "knocking". easy
read choice B, "it" refers to "clound" . this point make sentence hard. we can not say thay "it" is not logic when we have not read choice C. we can only say, here, that , "it" is not perfered because we can cut off "it". it is clear that "clound was and brighten" is better " clound was and it brighten". we can not emiminate choice B at this moment.

read choice C. we realize that "brightening " should be done by "magnatic field" not by "cloud" as in choice C. only now we see that meaning in C is better than meaning in B.
this is very hard because we can not see that meaning in B is not logic when we read B first time.

a question is hard is the one which contains a choice you can not eliminate when you read it first time. in hard question, you have to compare the meanings of two choices to eliminate a meaning/ a choice.

very tough
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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29 Jul 2015, 07:09
When facing tough question such as this, the easier method will be to fall back on small grammar snippets to eliminate as many wrong choices as possible first; In this case, we can eliminate A and E because, we can see the mismatch of parallelism easily; second we can eliminate B because it uses ‘and also’, a redundant expression. This leaves us with C and D; At a higher level of parallelism, we should avoid the use of the subject or its pronoun in the second arm, if it happens to be same as the subject of first arm; using “it" is said to be redundant in such cases. If the pronoun’s reference is in doubt, then that choice is fit to be dropped. We can eliminate D, and end up with C as the correct choice. This may not be a panacea for situations, but at least a handy tool
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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03 Feb 2016, 03:49
Hi,

Just one question on this. "ejected" here is modifier and not verb right?

Wanted to confirm that because just reading the phrase "cloud ejected from the sun" in isolation makes it a verb.
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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03 Feb 2016, 22:54
Yes for sure, 'ejected' is and ed modifier modifying the particles. If it was a verb, then there will be no need for another verb ' triggered'.
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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14 Feb 2016, 08:20
(A) an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, which brightened the Northern Lights and also possibly knocking

[two problems: 1/ "brightened" and "knocking" should be parallel. 2/ the intended meaning of the writer is not to modify the storm; instead the writer intends to express a subsequent result.]

(B) an expanding cloud of energized particles ejected from the Sun was what recently triggered a large storm in the magnetic field that surrounds Earth, and it brightened the Northern Lights and also possibly knocked

[two problems: 1/ the construction "...was what triggered..." is unnecessarily wordy; we dont have to emphasize what triggers the storm according to the context. 2/ "it" in the second sentence literally refers to "an expanding cloud", distorting the intended meaning. the result of "knocking" and "brightening" comes from the whole progress mentioned in the first sentence.]

(C) an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, brightening the Northern Lights and possibly knocking

[correct]

(D) a large storm in the magnetic field that surrounds Earth, recently triggered by an expanding cloud of energized particles, brightened the Northern Lights and it possibly knocked

[one problem: "it possibly" is unnecessary. we prefer conciseness in business writing.]

(E) a large storm in the magnetic field surrounding Earth was recently triggered by an expanding cloud of energized particles, brightening the Northern Lights and it possibly knocked

[this one is complicated. 1/ the use of passive voice is unnecessary because we already knew who performed the action. 2/ logically "knocked" and "brightening" should be parallel. 3/ if "it possibly knocked..." is to be parallel to "a large storm...", there should be a comma after "Lights"]
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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04 May 2016, 10:43
betterscore wrote:
According to scientists who monitored its path, an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth. which brightened the Northern Lights and also possibly knocking out a communications satellite.

(A) an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, which brightened the Northern Lights and also possibly knocking

(B) an expanding cloud of energized particles ejected from the Sun was what recently triggered a large storm in the magnetic field that surrounds Earth, and it brightened the Northern Lights and also possibly knocked

(C) an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, brightening the Northern Lights and possibly knocking

(D) a large storm in the magnetic field that surrounds Earth, recently triggered by an expanding cloud of energized particles, brightened the Northern Lights and it possibly knocked

(E) a large storm in the magnetic field surrounding Earth was recently triggered by an expanding cloud of energized particles, brightening the Northern Lights and it possibly knocked
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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24 Jun 2016, 01:43
ChrisLele wrote:
First off, we need to identify whether the scientists are tracking the expanding cloud or the storm. The original sentence clearly indicates that the magnetic field is in the Earth. Therefore, it is the 'expanding cloud...' so we can eliminate (D) and (E). Next we can eliminate (A) because the 'which' incorrectly modifies 'Earth.' The 'it' in (B) is ambiguous. Therefore the answer is (C).

ChrisLele,

They track the storm in the magnetic field, not the magnetic field. And even if what they track is in the Earth, it is logical to say that scientists track it. Your criteria to discard options D and E is therefore defective.
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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24 Jun 2016, 02:47
According to scientists who monitored its path, an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth. which brightened the Northern Lights and also possibly knocking out a communications satellite.

(A) an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, which brightened the Northern Lights and also possibly knocking

(B) an expanding cloud of energized particles ejected from the Sun was what recently triggered a large storm in the magnetic field that surrounds Earth, and it brightened the Northern Lights and also possibly knocked

(C) an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, brightening the Northern Lights and possibly knocking

(D) a large storm in the magnetic field that surrounds Earth, recently triggered by an expanding cloud of energized particles, brightened the Northern Lights and it possibly knocked

(E) a large storm in the magnetic field surrounding Earth was recently triggered by an expanding cloud of energized particles, brightening the Northern Lights and it possibly knocked
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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25 Jun 2016, 09:44
The subject is correct, so the issues are with verb conjugation. Only answer choice C does this correctly.
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Re: According to scientists who monitored its path, an expanding cloud [#permalink]

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15 Oct 2016, 09:31
SPLIT1) PARALLELISM: EITHER "ING" "ING" OR "ED" "ED" WILL BE RIGHT IN THE WORDS "BRIGHT" AND "KNOCK" SO THAT MEANS BRIGHTENING AND KNOCKING AND BRIGHTED AND KNOCKED. A, D AND E ARE OUT.

SPLIT2) DIRECT VS. INDIRECT LANGUAGE. B USED INDIRECT LANGUAGE, THE GMAT LIKS DIRECT LANGUAGE = "Sun was what recently triggered a large storm in the magnetic field that surrounds Earth.." B IS OUT.
Re: According to scientists who monitored its path, an expanding cloud   [#permalink] 15 Oct 2016, 09:31

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