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Seismologists studying the earthquake that struck northern

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Seismologists studying the earthquake that struck northern [#permalink]

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New post 28 Apr 2010, 09:04
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Seismologists studying the earthquake that struck northern California in October 1989 are still investigating some of its mysteries: the unexpected power of the seismic waves, the upward thrust that threw one man straight into the air, and the strange electromagnetic signals detected hours before the temblor.
(A) the upward thrust that threw one man straight into the air, and the strange electromagnetic signals detected hours before the temblor
(B) the upward thrust that threw one man straight into the air, and strange electromagnetic signals were detected hours before the temblor
(C) the upward thrust threw one man straight into the air, and hours before the temblor strange electromagnetic signals were detected
(D) one man was thrown straight into the air by the upward thrust, and hours before the temblor strange electromagnetic signals were detected
(E) one man who was thrown straight into the air by the upward thrust, and strange electromagnetic signals that were detected hours before the temblor
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Re: Seismologists studying the earthquake that struck northern [#permalink]

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New post 28 Apr 2010, 09:27
the unexpected power of the seismic waves-->Complete sentence
the upward thrust that threw one man straight into the air--> comeplete sentence
(and) the strange electromagnetic signals detected hours before the temblor.(i feel this is not complete the word THAT is missing here )

Am i missing some thing?
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Re: Seismologists studying the earthquake that struck northern [#permalink]

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New post 28 Apr 2010, 11:23
ISB2011 wrote:
the unexpected power of the seismic waves-->Complete sentence
the upward thrust that threw one man straight into the air--> comeplete sentence
(and) the strange electromagnetic signals detected hours before the temblor.(i feel this is not complete the word THAT is missing here )

Am i missing some thing?


Since a colon is used any information after the colon does not have to be a complete sentence. Also, "The unexpected power of the seismic waves" is not a complete sentence

A verb is not present.
The = article
upward = adjective
thrust = noun (subject)
of the seismic waves = prepositional phrase
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Re: Seismologists studying the earthquake that struck northern [#permalink]

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New post 02 Feb 2013, 06:51
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The colon (:) signals an enumeration of the earthquakes' mysteries. Only A makes a simple and parallel enumeration.

Answer: A
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Re: Seismologists studying the earthquake that struck northern [#permalink]

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New post 25 Sep 2016, 08:57
SPLIT1) PARALLELISM "THE UNEXPECTED", "THE UPWARD", "THE STRANGE". B,C,D,AND E ARE OUT.

SPLIT2) ANY INFORMATION AFTER A COLON DOES NOT HAVE TO BE A COMPLETE SENTENCE.

SPLIT3) THE PARALLELISM RULE EXPAND TO THE WORD AFTER THE MODIFIER WORD SUCH AS IN THIS EXAMPLE: ARTICLE + MODIFIER + NOUN => THE UNEXPECTED POWER, THE UPWARD THRUST, THE STRANGE ELECTROMAGNETIC SIGNALS.
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Re: Seismologists studying the earthquake that struck northern [#permalink]

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New post 10 Jan 2017, 21:28
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Seismologists studying the earthquake that struck northern California in October 1989 are still investigating some of its mysteries: the unexpected power of the seismic waves, the upward thrust that threw one man straight into the air, and the strange electromagnetic signals detected hours before the temblor.
(A) the upward thrust that threw one man straight into the air, and the strange electromagnetic signals detected hours before the temblor - Correct
(B) the upward thrust that threw one man straight into the air, and strange electromagnetic signals were detected hours before the temblor - Parallelism issue - strange electromagnetic signal is clause whereas the other two entities are noun phrases
(C) the upward thrust threw one man straight into the air, and hours before the temblor strange electromagnetic signals were detected - Parallelism issue
(D) one man was thrown straight into the air by the upward thrust, and hours before the temblor strange electromagnetic signals were detected - Parallelism issue and distorts the meaning - Seismologists are investigating one man
(E) one man who was thrown straight into the air by the upward thrust, and strange electromagnetic signals that were detected hours before the temblor - distorts the meaning - Seismologists are investigating one man

Answer A
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Re: Seismologists studying the earthquake that struck northern [#permalink]

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New post 12 Feb 2018, 23:23
Seismologists studying the earthquake that struck northern California in October 1989 are still investigating some of its mysteries: the unexpected power of the seismic waves, the upward thrust that threw one man straight into the air, and the strange electromagnetic signals detected hours before the temblor.


Seismologists are investigating mysteries, and there are 3 mysteries

1) the unexpected power of the seismic waves
2) the upward thrust that threw one man straight into the air
3) the strange electromagnetic signals detected hours before the temblor

all 3 properties have their own modifiers which give readers more information
Particularly in the 3rd one, "detected" is not a verb. Some people are confused when V+ed is used as a modifier rather than a verb.

Therefore (A) is the correct choice because it also maintains parallelism.
Re: Seismologists studying the earthquake that struck northern   [#permalink] 12 Feb 2018, 23:23
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