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# 4. Scientists have suggested that once every 10 million

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SVP
Joined: 16 Oct 2003
Posts: 1801
4. Scientists have suggested that once every 10 million  [#permalink]

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13 Jul 2004, 19:22
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4. Scientists have suggested that once every 10 million
years or so a truly colossal object from space cuts
through the atmosphere and slams into Earth, sending
up a global pall of dust that blots
out the Sun, alters
the climate, and changes the course of evolution by
killing off many plant and animal species.

(A) sending up a global pall of dust that blots
(B) thus sending up a global pall of dust to blot
(C) thereby sending up a global pall of dust to blot
(D) and that sends up a global pall of dust, blotting
(E) which sends up a global pall of dust, blots
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4288

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13 Jul 2004, 19:50
A it is. E sounds like the Earth sends things up...
B, C and D not parallel verb tense
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Paul

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Joined: 21 Mar 2004
Posts: 445
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13 Jul 2004, 20:02
global pall of dust that blots, alters the climate, and changes......

A is the most parallel and best answer.

DE also change the meaning.

- ash
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Manager
Joined: 02 Jun 2004
Posts: 154
Location: san jose,ca

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13 Jul 2004, 22:58
E.

which sends up a global pall of dust, blots out the Sun, alters the climate, and changes the course of evolution....

no issue with //lism
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Intern
Joined: 19 May 2004
Posts: 47

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13 Jul 2004, 23:26
close call b/w E and D for me... will go with D

'sends'/ 'blotting' parallel to 'changes' / 'killing'

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Manager
Joined: 21 Apr 2004
Posts: 88
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13 Jul 2004, 23:47
1
KUDOS
Only A and E maintain the parallel structrure : blots...,alters... and changes...
But as Paul said "which=earth" in E. So the sentence would mean that

Earth sends up a global pall of dust,
Earth blots the sun,
Earth alters the climate, and
Earth changes the course of evolution by
killing off many plant and animal species

I think it would be more logical if the global pall of dust caused these effects. (as suggested in A)

So I will go for A
Manager
Joined: 02 Jun 2004
Posts: 154
Location: san jose,ca

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14 Jul 2004, 09:45
With E, I did not see //ism issue but I did only half the job.As Paul mentioned, E implies Earth sending the stuff which is wrong. Good discussion.
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CEO
Joined: 21 Jan 2007
Posts: 2739
Location: New York City
Re: SC-Scientists have suggested that once [#permalink]

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02 Aug 2007, 08:38
Scientists have suggested that once every 10 million years or so a truly colossal object from space cuts through the atmosphere and slams into Earth, sending up a global pall of dust that blots out the Sun,
alters the climate, and
changes the course of evolution by killing off many plant and animal species.

participial phrase modifying the noun in the independent clause.
CEO
Joined: 29 Mar 2007
Posts: 2560
Re: SC-Scientists have suggested that once [#permalink]

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02 Aug 2007, 18:49
Bhai wrote:
4. Scientists have suggested that once every 10 million
years or so a truly colossal object from space cuts
through the atmosphere and slams into Earth, sending
up a global pall of dust that blots
out the Sun, alters
the climate, and changes the course of evolution by
killing off many plant and animal species.

(A) sending up a global pall of dust that blots
(B) thus sending up a global pall of dust to blot
(C) thereby sending up a global pall of dust to blot
(D) and that sends up a global pall of dust, blotting
(E) which sends up a global pall of dust, blots

A

It is tempting to thinking that "sending isn't parallel." However, blots is what needs to be parallel w/ alters, & "changes" not sending. So A is correct.
Manager
Joined: 15 Aug 2006
Posts: 95
Re: SC-Scientists have suggested that once [#permalink]

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03 Aug 2007, 08:35
I'd go with A too.

E changes the meaning of the sentence. It is the dust that results in blotting out the sun, altering climate bla bla bla. But with E, it makes it sound like the dust is one of the effect just like climate change bla bla bla.

Bhai wrote:
4. Scientists have suggested that once every 10 million
years or so a truly colossal object from space cuts
through the atmosphere and slams into Earth, sending
up a global pall of dust that blots
out the Sun, alters
the climate, and changes the course of evolution by
killing off many plant and animal species.

(A) sending up a global pall of dust that blots
(B) thus sending up a global pall of dust to blot
(C) thereby sending up a global pall of dust to blot
(D) and that sends up a global pall of dust, blotting
(E) which sends up a global pall of dust, blots

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Joined: 01 Oct 2013
Posts: 10171
Re: 4. Scientists have suggested that once every 10 million  [#permalink]

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03 May 2014, 08:04
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: 4. Scientists have suggested that once every 10 million   [#permalink] 03 May 2014, 08:04
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