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Sound can travel through water for enormous distances, prevented from

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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 14 Sep 2017, 06:34
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Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers of different temperatures and densities.

1) prevented from dissipating its acoustic energy as a result of
2)prevented from having its acoustic energy dissipated by
3) its acoustic energy prevented from dissipating by
4) its acoustic energy prevented from being dissipated as a result of
5) preventing its acoustic energy from dissipating by

The whole issue here is about the modification of the comma plus verb+ed modifier' 'prevented'. It is an error to think that the participle 'comma plus prevented' can modify the distant 'sound'. A past participle modifier separated by a comma and intercepting a clause can only modify the nearest noun namely distances, which is devoid of any meaning in the contest.

Therefore, we can safely dump A and B.

Nor is it any more sensible to say that sound prevented its own acoustic energy from dissipation in order to be able to travel long distances as in E.

Between C and D, it doesn't take too long to kick out D for using the phrase 'being dissipated' as a modifier. Therefore, it is a cake-walk for C.
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 11 Dec 2017, 21:01
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GMATNinja, could you help figuring out the difference between option C and E?
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 12 Dec 2017, 06:33
deepakgarg1373 wrote:
GMATNinja, could you help figuring out the difference between option C and E?


A present participle ("-ing") modifier may refer to the subject of the preceding clause. In E, the present participle "preventing.." refers to the subject of the previous clause ("sound") - the meaning implied is that the sound itself prevents its (own) acoustic energy from dissipating.

C does not convey this faulty meaning.
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 05 Mar 2018, 02:31
Hi,

Why option 'C' can't be a run on sentence, as it has two clauses. I eliminated this because it has two clauses without any connector.
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 05 Mar 2018, 03:17
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suresh918 wrote:
Hi,

Why option 'C' can't be a run on sentence, as it has two clauses. I eliminated this because it has two clauses without any connector.

Hi suresh918, a run-on sentence is when two Independent clauses are connected by a comma.

In C, following is not an Independent clause.

its acoustic energy prevented from dissipating by...

It is, what's called, an Absolute modifier: Noun (its acoustic energy) + Noun-modifier (prevented from dissipating by...)

By the way, prevented is used as a past participle here, and not as a verb.

p.s. Our book EducationAisle Sentence Correction Nirvana discusses Absolute Modifier, its application and examples in significant detail. If someone is interested, PM me your email-id; I can mail the corresponding section.
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 19 May 2018, 01:52
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Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers of different temperatures and densities.
(A) prevented from dissipating its acoustic energy as a result of
(B) prevented from having its acoustic energy dissipated by
(C) its acoustic energy prevented from dissipating by
(D) its acoustic energy prevented from being dissipated as a result of
(E) preventing its acoustic energy from dissipating by

POE: I am putting all my learning from all the experts. GMATNinja daagh mikemcgarry egmat. Please correct me if my learning is wrong.
(A) prevented from dissipating its acoustic energy as a result of- WRONG- Since Verb-ed modifier modifies the preceding noun or the noun phrase therefore, “prevented” here modifies “enormous distance” which is not logically right. It should modify “acoustic energy”
(B) prevented from having its acoustic energy dissipated by- Same as A
(C) its acoustic energy prevented from dissipating by- Correct- IC+comma(,)+ Noun phrase (giving extra information) – Right construction- No problem with clear meaning. Let's keep it for a while till we get a better option
(D) its acoustic energy prevented from being dissipated as a result of – First usage of BEING is incorrect. From Daagh’s explanation I have taken this “Whenever you see, ‘being’, ask what is being or who is being. If you get a positive answer, then ‘being’ is a modifier and that structure is unacceptable in GMAT.” Here what is being? “Accoustic Energy”. We get the positive answer. Hence out.
(E) preventing its acoustic energy from dissipating by – WRONG- Whenever Verbing is used, it modifies the preceding clause and is associated with the subject of the preceding clause. Here SOUND is the subject, and it is not PREVENTING “its acoustic energy from dissipating”. Illogical.

Hence C is the answer.
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 14 Jul 2018, 02:50
Hi egmat,

Thank your for the explanations. In C, the part after the comma becomes fragment, if it is not fragment, what is the difference?

Thanks
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 15 Jul 2018, 23:02
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financestudent wrote:
Hi egmat,

Thank your for the explanations. In C, the part after the comma becomes fragment, if it is not fragment, what is the difference?

Thanks
The part that you refer to as a fragment cannot be a complete thought (subject verb combination). If you want, you can take a look at this post and this post for answers to similar questions.
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New post 31 Jul 2018, 12:35
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In the correct option C, what ensures that "its" correctly refers to 'sound',but not to 'water'?


Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers of different temperatures and densities.

C. Sound can travel through water for enormous distances, its acoustic energy prevented from dissipating by boundaries in the ocean created by water layers of different temperatures and densities.


1. Technicals: The word 'acoustic' refers to sound and therefore acoustic energy means sound contained in sound waves. On the contrary, water's energy refers typically to the electricity generated from water.

2. Grammar. A pronoun's first choice of antecedent is always the subject, and if the subject doesn't suit, it may refer to a direct object or an object of the preposition that may be near to it. All in all, the logical meaning rather than the placements plays the decisive role.
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 15 Sep 2018, 05:30
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stanleygao wrote:
Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers of different temperatures and densities.

The correct answer is D. its acoustic energy prevented from dissipating by

I am confused with the sentence construction of this question. It looks like there are two complete sentences without a proper conjunction of "and" or ";".
First sentence: Sound can travel through water for enormous distances.
Second sentence: its acoustic energy prevented from dissipating by boundaries in the ocean created by water layers of different temperatures and densities.

Can anyone explain it to me?


Dear stanleygao,

Two things about the query you raised.
1. "I am confused with the sentence construction of this question. It looks like there are two complete sentences without a proper conjunction of "and" or ";". "
GMAT doesn't allow 2 "two complete sentences"(sentences with subject and verb) to be connected with a conjunction, but rather they are combined with a semicolon(;).
2. In the above mentioned sentence. The first portion before the comma is a clause, but the second portion is a absolute phrase.
2 things here:
1. There isn't a verb in the second portion at all. "Prevented" is a past participle, and dissipating is a present participle, but not active verbs.
2. Absolute phrase:
The part after the comma (called the absolute phrase) has the following characteristics:
1. It starts with a possessive form (his, her, its, their etc.)
2. It only adds to the meaning (just additional or filler information). It is not core information.
3. It contains no verb (it is a phrase).
4. It is adverbial in nature (it goes back to the whole clause, not to a specific noun).
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Re: Sound can travel through water for enormous distances, prevented from  [#permalink]

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New post 23 Nov 2018, 01:19
Economist wrote:
Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers of different temperatures and densities.

(A) prevented from dissipating its acoustic energy as a result of
(B) prevented from having its acoustic energy dissipated by
(C) its acoustic energy prevented from dissipating by
(D) its acoustic energy prevented from being dissipated as a result of
(E) preventing its acoustic energy from dissipating by

https://www.nytimes.com/1998/10/27/science/global-thermometer-imperiled-by-dispute.html

Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy by boundaries in the ocean created by water layers of differing temperatures and densities. In the final version of the experiment, loudspeakers were installed at two sites: one off the northwest coast of Hawaii's Big Island, and the other near Pioneer Seamount, a volcanic island in the Pacific Ocean 55 miles from San Francisco. The times of arrival of the sound at thousands of underwater microphones spanning the Pacific Ocean were then recorded and interpreted as water temperatures.



No need to know idioms for this question. It is a plain and simple meaning based question.

Step 1: "its " is referring to sound and not to anything else. Yeah, I knew that because all options have its.
Step 2: All other choices except for C,D renders a meaning that makes sound to actually prevent its own acoustic energy from dissipation.
(A,B,E) implies sound prevents its own acoustic energy. How can sound prevent its own acoustic energy.
Step 3: Between C & D, "being" as a modifier is never agreed on GMAT. Therefore C.
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Re: Sound can travel through water for enormous distances, prevented from &nbs [#permalink] 23 Nov 2018, 01:19

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