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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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New post 30 Sep 2017, 18:32
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 - modification, parallelism

(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 - 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 - empty it

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

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New post 04 Apr 2018, 13:13
Jagwant01 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

I feel in option C the word " brightening" is modifying earth which is wrong. Can someone please point out where i am going wrong, and also what is the function of brightening in that sentence.




Hello Jagwant01,

I am not sure if your doubt still persists. Here is the explanation nonetheless. :-)

In Choice C, both brightening... and knocking... are modifiers that are placed after a clause and are preceded by a comma. Hence, they are comma + verb-ing modifiers that modify the action in the preceding clause.

Per the context of the sentence, brightening... and knocking... correctly modify the preceding action triggered. The sentence intends to say that an expanding clause triggered a large storm. This action led to two events. It brightened the Northern Lights and probably knocked out a communication satellite.

Now, the verb-ing modifiers that are not preceded by a comma act as noun modifiers and modify the preceding noun.


Hope this helps. :-)
Thanks.
Shraddha
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Re: According to scientists who monitored its path, an expanding cloud  [#permalink]

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New post 17 Apr 2018, 11:19
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

We need the main subject " an expanding cloud" after comma. So D and E are out.

In A, "which" is wrongly modifying "Earth", and also "it" is ambiguous".

B also has modifying issues.

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

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New post 27 Jun 2018, 06:20
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 Can you please brief how it is referring to expanding cloud and not the storm?
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Re: According to scientists who monitored its path, an expanding cloud  [#permalink]

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New post 27 Jun 2018, 11:10
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1. The scientists are monitoring the path (its path) of a cloud of energized particles ejected by the Sun -- The pronoun 'its' should refer to the subject of the clause namely, -the cloud-. The cloud is also the nearest noun to the pronoun.

2. As per modification rule, the modified term should be first mentioned immediately after the modifier

3. The storm is the object of the verb triggered. We can't expect a pronoun to jump over the subject to refer to the object.
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Re: According to scientists who monitored its path, an expanding cloud &nbs [#permalink] 27 Jun 2018, 11:10

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