Geologist: The element tantalum, which originates as a miner : GMAT Critical Reasoning (CR)
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Geologist: The element tantalum, which originates as a miner

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Geologist: The element tantalum, which originates as a miner [#permalink]

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New post 17 Jan 2014, 00:57
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Question Stats:

74% (02:40) correct 26% (02:07) wrong based on 226 sessions

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Geologist: The element tantalum, which originates as a mineral ore known as coltan, is used as a capacitor in computers and cell phones. Most tantalum is exported by Canada, China, South America, and Australia. However, a small percentage of the world supply comes from poorly governed or conflict-torn regions of Africa and is mined using objectionable practices such as child labor. A group of scientists has begun working on a method that I believe will be able to detect chemical signatures that can distinguish tantalum samples according to their location of origin. Their technique needs to be further developed into a standardized and widely reproducible method of testing. If such testing becomes standard use among manufacturers and suppliers, it would allow companies and consumers a way to sanction human rights abuses through the marketplace.

In the geologist's argument, the two portions in boldface play which of the following roles?
(A) The first presents a circumstance for which the geologist 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.

[Reveal] Spoiler:
Read carefully for the structure of the argument. The first bolded statement is a claim made by the geologist. The second is the conclusion of the argument, which relies on that claim in the first bolded statement. You'll rarely be able to predict the exact words used in the answer choices, but once you've figured out how the bold statements function, you should be able to identify a choice that matches reasonably well. In this case, choice (E) is correct. Only (B) and (E) refer to the second statement as a conclusion; (B) mistakenly refers to the first statement as something weighing against the conclusion.
[Reveal] Spoiler: OA

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Re: Geologist: The element tantalum, which originates as a miner [#permalink]

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Geologist: The element tantalum, which originates as a mineral ore known as coltan, is used as a capacitor in computers and cell phones. Most tantalum is exported by Canada, China, South America, and Australia. However, a small percentage of the world supply comes from poorly governed or conflict-torn regions of Africa and is mined using objectionable practices such as child labor. A group of scientists has begun working on a method that I believe will be able to detect chemical signatures that can distinguish tantalum samples according to their location of origin. Their technique needs to be further developed into a standardized and widely reproducible method of testing. If such testing becomes standard use among manufacturers and suppliers, it would allow companies and consumers a way to sanction human rights abuses through the marketplace.

SINCE------ THE SCIENTISTS can detect chemical signatures that can distinguish tantalum samples ( BOLD FACE 1)
THEREFORE------ companies and consumers CAN sanction human rights abuses through the marketplace.( BOLD FACE 2)


ONLY "E" MATCHES THE ARGUMENT......

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


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Re: Geologist: The element tantalum, which originates as a miner [#permalink]

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New post 26 Apr 2014, 09:42
At first determine the main point of argument-"to fight human right abuse"
and Connection between two bold face - "positive i.e. Depended".
"a group of scientist has began to find out method to detect chemical signature w.r.t. Origin" therefore if clause-1 is OK than this would favour conclusion.
And option E :rocket clearly mention connection between two bold face portions. :drunk





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Re: Geologist: The element tantalum, which originates as a miner [#permalink]

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New post 27 Apr 2014, 10:12
POE here. The last man standing is E, and that's the right answer for me.

(A) The first presents a circumstance for which the geologist offers an explanation; the second is part of that explanation.
BF1 isnt an explanation. Ruled out.
(B) The first acknowledges a consideration that weighs against the conclusion of the argument; the second is that conclusion.
BF1 doesnt go against the "spirit" of the discussion. Ruled out.
(C) The first acknowledges a consideration that weighs against the conclusion of the argument; the second provides evidence in support of that conclusion.
BF1 doesnt go against the "spirit" of the discussion. Ruled out.
(D) The first provides evidence in support of the conclusion of the argument; the second acknowledges a consideration that weighs against that conclusion.
BF2 also doesnt go agasint the "spirit" of the discussion, which is we need to prevent companies from using the mineral mined from war-torn African countries.
(E) The first is a judgment advanced in support of the conclusion of the argument; the second is that conclusion.
I'm not super happy with the term "judgement", BF2 is definitely the conclusion. Mark, and go!
Re: Geologist: The element tantalum, which originates as a miner   [#permalink] 27 Apr 2014, 10:12
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