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# New theories propose that catastrophic impacts of asteroids

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New theories propose that catastrophic impacts of asteroids [#permalink]

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09 Oct 2012, 02:48
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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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Re: New theories propose that catastrophic impacts of [#permalink]

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09 Oct 2012, 02:49
Post reserved for OE
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Re: New theories propose that catastrophic impacts of [#permalink]

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09 Oct 2012, 09:28
souvik101990 wrote:
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

we need parallelism and only B has it.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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11 Oct 2012, 13:47
souvik101990 wrote:
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

Can you explain why 'C" is not the correct choice.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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12 Oct 2012, 12:19
jitgoel wrote:
souvik101990 wrote:
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

Can you explain why 'C" is not the correct choice.

yes same question from my end...I know parallelism is needed in this question but please explain why not C....
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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12 Oct 2012, 20:41
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Maryam787 wrote:
jitgoel wrote:

Can you explain why 'C" is not the correct choice.

yes same question from my end...I know parallelism is needed in this question but please explain why not C....

We have a list of noun phrases here -

reversals in the Earth’s
the onset of ice ages
volcanic eruptions

(A) splitting apart continents - this is a verb and conveys that preceding action did the splitting
(B) the splitting apart of continents - "of" makes the difference here..."the splitting" becomes the noun phase
(C) split apart continents - "split" again acts as verb - we need a noun - thats why this stands incorrect in the context
(D) continents split apart - change of meaning
(E) continents that were split apart - incorrect

I hope this helps!
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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13 Oct 2012, 00:01
Action nouns are parallel to complex gerund phrases.

Only B satisfies the condition.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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13 Oct 2012, 11:38
yashii9 wrote:
Maryam787 wrote:
jitgoel wrote:

Can you explain why 'C" is not the correct choice.

yes same question from my end...I know parallelism is needed in this question but please explain why not C....

We have a list of noun phrases here -

reversals in the Earth’s
the onset of ice ages
volcanic eruptions

(A) splitting apart continents - this is a verb and conveys that preceding action did the splitting
(B) the splitting apart of continents - "of" makes the difference here..."the splitting" becomes the noun phase
(C) split apart continents - "split" again acts as verb - we need a noun - thats why this stands incorrect in the context
(D) continents split apart - change of meaning
(E) continents that were split apart - incorrect

I hope this helps!

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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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18 Oct 2012, 06:53
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To maintain the parallelism of the sentence, the list that the impacts (reversal...., onset, ...splitting.... and ....eruptions) need to be parallel. As it stands in A the list goes noun, noun, verb, noun so we need to correct the verb phrase into a noun phrase.
A – eliminate because splitting is a noun
B – Correct. Splitting in this sense is a gerund and therefore a noun. This is achieved by the placement of ‘the’ and the conjunction ‘of’ which makes continents a modifier of the noun. Think of running, it’s an activity (i.e. a noun) and an action (i.e. a verb)
C – split is a verb in the infinitive, and hence isn’t the noun we’re looking for
D – Not sure how to explain this unless I simplify the sentence. Catastrophic impacts .... caused...SPLIT APART CONINENTS. As is stands, this sentence says that the asteroids created the continents (which are split) rather than creating the action of splitting the continents.
E – Again, this sentence says that the continents were created, rather that the action of splitting.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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19 Oct 2012, 02:11
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 CORRECT
(C) split apart continents
(D) continents split apart
(E) continents that were split apart

It is not C because the sentence - the splitting apart of continents - says that some action lasted in past, that it was a process and not just one moment in time...and C doesn't emphasise that it was a process, but something that asteroids and comets usually do. This is how I've understood it.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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21 Oct 2012, 23:54
B is the right answer because it maintains parralelism by the use of a gerund phrase.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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02 Dec 2012, 23:06
can we omit "the" in "B". Whats wrong with "splitting apart of continents".
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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03 Jan 2013, 19:04
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B is correct - action nouns such as "reversal" can be parrallel to complex gerunds such as "splitting apart of continents" but not to simple gerunds such as "splitting apart continents"
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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13 Apr 2013, 18:44
A question on the non-underlined portion:

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.

Does the "impacts of" distribute to comets? That is, is the sentence saying that the impacts of asteroids and [the impacts of] comets, or the impact of asteroids and [just as themselves, not their impacts] comets?"
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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20 May 2014, 17:55
MacFauz wrote:
Action nouns are parallel to complex gerund phrases.

Only B satisfies the condition.

Hi MacFauz,

I believe that this might be where my disconnect is. Can you please elaborate on this?

I noticed the "the" in front of "onset of ice ages" and I couldn't understand how that was parallel to "great volcanic eruptions". Wouldn't it have to be "the great volcanic eruptions"?

Thanks!
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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20 May 2014, 20:30
You cannot have the definite article "the" before "great volcanic eruptions" as you aren't referring to some specific great volcanic eruptions. In the "the onset of ice ages" and "the splitting apart of continents", the "of ice ages" and "of continents" provide the needed specific details about the onset and the splitting apart, respectively.

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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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30 Jun 2014, 01:19
souvik101990 wrote:
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

can't we look at C as a participle phrase and thereby as an adjective? Can anyone please explain?
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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30 Jun 2014, 02:03
Ergenekon wrote:
souvik101990 wrote:
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

can't we look at C as a participle phrase and thereby as an adjective? Can anyone please explain?

"split apart" is used as an adjective for "continents". However it is not parallel with the other items in the list.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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30 Jun 2014, 02:53
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Re: New theories propose that catastrophic impacts of asteroids [#permalink]

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01 Oct 2014, 13:26
A question for experts:
This sentence reads as .....caused...,the onset of ice ages, splitting apart oceans... ,and the great volcanic eruptions.
Though i chose the correct answer, my question is that splitting apart oceans can modify the preceding clause (the onset of ice ages) as well and may not be a part of the list. Is that possible? If no, can some one help me to rule out the possibility?
Re: New theories propose that catastrophic impacts of asteroids   [#permalink] 01 Oct 2014, 13:26

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