New theories propose that catastrophic impacts of asteroids : GMAT Sentence Correction (SC)
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# New theories propose that catastrophic impacts of asteroids

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Intern
Joined: 13 Mar 2012
Posts: 36
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New theories propose that catastrophic impacts of asteroids [#permalink]

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26 Mar 2013, 00:28
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15% (low)

Question Stats:

84% (01:22) correct 16% (00:20) wrong based on 37 sessions

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New theories propose that catastrophic impacts of
asteroids and comets may have caused reversals in
the Earth’s magnetic field, the onset of ice ages,
splitting apart continents 80 million years ago, and
great volcanic eruptions.
(A) splitting apart continents
(B) the splitting apart of continents
(C) split apart continents
(D) continents split apart
(E) continents that were split apart
[Reveal] Spoiler: OA
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Senior Manager
Joined: 07 Nov 2012
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Schools: LBS '14 (A)
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Re: Splitting Apart Continents [#permalink]

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26 Mar 2013, 00:55
1
KUDOS
Hello,

Let me see if I can work this one through....

New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

OK, from the question it looks like this is a parralelism issue. We have a list of things that 'catastrophic impacts of asteroids and comets' may have done, but right now the current underlined sections seems to be out of kilter with the rest of the list. Look at each of the items in turn:

reversals in the Earth’s magnetic field
the onset of ice ages,
splitting apart continents 80 million years ago
and great volcanic eruptions.

It is clear that the red section, which equates with the underlined is out of sync. It's the only one with an 'ing' i.e. an action occuring. Everything else is different.

Looking at the answer options gives us a clear winner...

(B) the splitting apart of continents. And here it is by adding the 'the' we change the meaning, and it becomes a statement like the others, rather than something happening.
(C) split apart continents This 'split' is in the past tense - unlike anything else
(D) continents split apart Again past tense
(E) continents that were split apart Once more an action occuring in the past

Hope that helps...
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Joined: 13 Mar 2012
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Kudos [?]: 6 [0], given: 3

Re: Splitting Apart Continents [#permalink]

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26 Mar 2013, 01:43
plumber250 wrote:
Hello,

Let me see if I can work this one through....

New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

OK, from the question it looks like this is a parralelism issue. We have a list of things that 'catastrophic impacts of asteroids and comets' may have done, but right now the current underlined sections seems to be out of kilter with the rest of the list. Look at each of the items in turn:

reversals in the Earth’s magnetic field
the onset of ice ages,
splitting apart continents 80 million years ago
and great volcanic eruptions.

It is clear that the red section, which equates with the underlined is out of sync. It's the only one with an 'ing' i.e. an action occuring. Everything else is different.

Looking at the answer options gives us a clear winner...

(B) the splitting apart of continents. And here it is by adding the 'the' we change the meaning, and it becomes a statement like the others, rather than something happening.
(C) split apart continents This 'split' is in the past tense - unlike anything else
(D) continents split apart Again past tense
(E) continents that were split apart Once more an action occuring in the past

Hope that helps...

But where I was facing the problem is that I dont get the concept when you say
- "And here it is by adding the 'the' we change the meaning, and it becomes a statement like the others, rather than something happening"

the explanation says that "reversals, the onset, eruptions" are nouns and adding "the" with "splitting" makes it a noun.

Can you please explain the rule to me in detail. What is the concept behind this.

It is is all having a noun in the phrase. we have "continents split apart" Option D
Re: Splitting Apart Continents   [#permalink] 26 Mar 2013, 01:43
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# New theories propose that catastrophic impacts of asteroids

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