In Swartkans territory, archaeologists discovered charred : GMAT Critical Reasoning (CR)
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# In Swartkans territory, archaeologists discovered charred

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Intern
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In Swartkans territory, archaeologists discovered charred [#permalink]

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07 Aug 2003, 04:39
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In Swartkans territory, archaeologists discovered
charred bone fragments dating back 1 million years.
Analysis of the fragments, which came from a vari-
ety of animals, showed that they had been heated to
temperatures no higher than those produced in
experimental campfires made from branches of
white stinkwood, the most common tree around
Swartkans.

Which of the following, if true, would, together with
the information above, provide the best basis for the
claim that the charred bone fragments are evidence
of the use of fire by early hominids?
(A) The white stinkwood tree is used for building
material by the present-day inhabitants of
Swartkans.
(B) Forest fires can heat wood to a range of
temperatures that occur in campfires.
(C) The bone fragments were fitted together by the
archaeologists to form the complete skeletons
of several animals.
(D) Apart from the Swartkans discovery, there is
reliable evidence that early hominids used fire
as many as 500 thousand years ago.
(E) The bone fragments were found in several
distinct layers of limestone that contained
primitive cutting tools known to have been
used by early hominids.
If you have any questions
New!
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07 Aug 2003, 04:56
mistdew wrote:
In Swartkans territory, archaeologists discovered
charred bone fragments dating back 1 million years.
Analysis of the fragments, which came from a vari-
ety of animals, showed that they had been heated to
temperatures no higher than those produced in
experimental campfires made from branches of
white stinkwood, the most common tree around
Swartkans.

Which of the following, if true, would, together with
the information above, provide the best basis for the
claim that the charred bone fragments are evidence
of the use of fire by early hominids?
(A) The white stinkwood tree is used for building
material by the present-day inhabitants of
Swartkans.
(B) Forest fires can heat wood to a range of
temperatures that occur in campfires.
(C) The bone fragments were fitted together by the
archaeologists to form the complete skeletons
of several animals.
(D) Apart from the Swartkans discovery, there is
reliable evidence that early hominids used fire
as many as 500 thousand years ago.
(E) The bone fragments were found in several
distinct layers of limestone that contained
primitive cutting tools known to have been
used by early hominids.

IMHO, its D - it clearly answers the question "Which [choice].... provide the best basis for the claim that the charred bone fragments are evidence of the use of fire by early hominids?"
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07 Aug 2003, 05:41
Charred bone fragments dated back 1 million years where as choice D says that there is reliable evidence that early hominids used fire
as many as 500 thousand years ago.

I fail to understand how this provides the best basis for the
claim that the charred bone fragments are evidence
of the use of fire by early hominids.
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07 Aug 2003, 09:47
vote for E.

Since charred bones are found together with tools, it is likely that the chared bones have the same age.

B weakens the argument, providing another reason for evidence.
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07 Aug 2003, 18:58
Agree on "E"

D only indicates that the use of fire was 500,000 years ago, but the charred bones were dated back 1 million years. Thus, there is a large time gap between the two evidences.
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09 Aug 2003, 05:15
boarderlee wrote:
Agree on "E"

D only indicates that the use of fire was 500,000 years ago, but the charred bones were dated back 1 million years. Thus, there is a large time gap between the two evidences.

Okay guys, lets structure the arguments in the stimulus.

1) Charred bone fragments of animals found, dating back a million years

2) The bone fragments had been heated to temperatures no higher than those produced in experimental campfires

The question asked is, which choice best supports the claim that the charred bone fragments are evidence of the use of fire by early hominids

Now E only points that bone fragments were found with cutting tools used by early hominids. This means that the hominids could have known how to use the tools, but do not support the argument that they used fire.

D supports the claim because it says that, "there is reliable evidence that early hominids used fire as many as 500 thousand years ago."

Remember, the question does not claim that early hominids used fire A MILLION YEARS AGO, but only that they used fire. Therefore, D supports the argument best.

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09 Aug 2003, 11:29
mistdew wrote:

Hmmmm.... guess can't argue with that... but would love to get your brains to tell me the flaw in my argument....

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28 Oct 2003, 08:58
First, it is typical Gmat, and answer must be E.
D is also typical trap because it sound OK. It in fact provide the evidence BY ITSELF ALONE!!!
But why it wrong?
Here it is
Which of the following, if true, would, ***together with
the information above****
D has nothing to do with "information above" or if you base your judgement on D, you don't need the "above information"
idea?
_________________

I have 2 month for gmat.

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26 Dec 2006, 11:38
Director
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26 Dec 2006, 16:35
Agree E.
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26 Dec 2006, 19:11
mistdew wrote:
In Swartkans territory, archaeologists discovered
charred bone fragments dating back 1 million years.
Analysis of the fragments, which came from a vari-
ety of animals, showed that they had been heated to
temperatures no higher than those produced in
experimental campfires made from branches of
white stinkwood, the most common tree around
Swartkans.

Which of the following, if true, would, together with
the information above, provide the best basis for the
claim that the charred bone fragments are evidence
of the use of fire by early hominids?
(A) The white stinkwood tree is used for building
material by the present-day inhabitants of
Swartkans.
(B) Forest fires can heat wood to a range of
temperatures that occur in campfires.
(C) The bone fragments were fitted together by the
archaeologists to form the complete skeletons
of several animals.
(D) Apart from the Swartkans discovery, there is
reliable evidence that early hominids used fire
as many as 500 thousand years ago.
(E) The bone fragments were found in several
distinct layers of limestone that contained
primitive cutting tools known to have been
used by early hominids.

Basically its broken in 2 parts
The paragraphs concludes based on its reasoning that those animal fragments are from campfires.
now E , since they were found among with tools used by hominids.

Gmat concludes that himinids used fire.
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31 Dec 2006, 16:50
E stands out. A, B and C are discarded right away.
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Re: In Swartkans territory, archaeologists discovered charred [#permalink]

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21 Sep 2016, 23:16
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: In Swartkans territory, archaeologists discovered charred   [#permalink] 21 Sep 2016, 23:16
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