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Astronomer: Observations of the Shoemaker-Levi comet on its

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Manager
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Astronomer: Observations of the Shoemaker-Levi comet on its [#permalink]

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07 Jul 2007, 17:42
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Astronomer: Observations of the Shoemaker-Levi comet on its collision course with Jupiter showed that the comet broke into fragments before entering Jupiter's atmosphere in 1994, but they did not show how big these fragments were. In hopes of gaining some indication of the fragments' size, astronomers studied spectrographic analyses of Jupiter's outer atmosphere. These analyses revealed unprecedented traces of sulfur after the fragments' entry. The fragments themselves almost certainly contained no sulfur, but many astronomers believe that the cloud layer below Jupiter's outer atmosphere does contain sulfur. Since sulfur would have seeped into the outer atmosphere if comet fragments had penetrated this cloud layer, it is likely that some of the fragments were at least large enough to have passed through Jupiter's outer atmosphere without being burned up.

In the astronomer's argument, the two portions in boldface play which of the following roles?

(A) The first presents a circumstance for which the astronomer offers an explanation; the second is part of that explanation.

(B) The first acknowledges a consideration that weighs against the conclusion of the argument; the second is that conclusion.

(C) The first acknowledges a consideration that weighs against the conclusion of the argument; the second provides evidence in support of that conclusion.

(D) The first provides evidence in support of the conclusion of the argument; the second acknowledges a consideration that weighs against that conclusion.

(E) The first is a judgment advanced in support of the conclusion of the argument; the second is that conclusion.

This was my FIRST question in my GMATPrep I test.
OA later

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Intern
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05 Sep 2007, 18:26
Is it E?

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Manager
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06 Sep 2007, 02:38
is it D??

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Manager
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06 Sep 2007, 05:28
I go for A.

Any other offers, or an OA?

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06 Sep 2007, 12:57
the astronomers are looking to judge the size of the fragments and everything presented in the argument is trying to gauge the size and ultimately it is decided they were big enough to have passed through the outer atmosphere.

so the second boldface is the conclusion. the first boldface helps us determine the conclusion.

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Manager
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06 Sep 2007, 15:35
E for me.

B.c.d are out as there is nothing against the conclusion.

A is out because first is not a circumstance for which the astronomer offers an explanation.

E looks good as it satisfies the parameters of the meaning of the words.

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Manager
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Re: cr - gmatprep astronomer (boldface) [#permalink]

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06 Sep 2007, 15:53
tough one.

anyway i would vote on C.

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Senior Manager
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06 Sep 2007, 15:59
I like this question. This is E

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Manager
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06 Sep 2007, 17:59
I love BOLD CR. E for me

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01 Oct 2007, 09:55
What's the OA?

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OA???   [#permalink] 01 Oct 2007, 09:55
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