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Archaeologist: A skeleton of a North American mastodon that

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Archaeologist: A skeleton of a North American mastodon that [#permalink] New post 30 Sep 2009, 11:58
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20. Archaeologist: A skeleton of a North American mastodon that became extinct at the peak of the Ice Age was recently discovered. It contains a human-made projectile dissimilar to any found in that part of Eurasia closest to North America. Thus, since Eurasians did not settle in North America until shortly before the peak of the Ice Age, the first Eurasian settlers in North America probably came from a more distant part of Eurasia.
Which one of the following, if true, most seriously weakens the archaeologist’s argument?
(A) The projectile found in the mastodon does not resemble any that were used in Eurasia before or during the Ice Age.
(B) The people who occupied the Eurasian area closest to North America remained nomadic throughout the Ice Age.
(C) The skeleton of a bear from the same place and time as the mastodon skeleton contains a similar projectile.
(D) Other North American artifacts from the peak of the Ice Age are similar to ones from the same time found in more distant parts of Eurasia.
(E) Climatic conditions in North America just before the Ice Age were more conducive to human habitation than were those in the part of Eurasia closest to North America at that time.
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Re: North American mastodon [#permalink] New post 30 Sep 2009, 12:18
I would go with B. If Eurasians were nomadic throughout the Ice Age then no conclusion can be made about the part from which they actually came.

OA?
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Re: North American mastodon [#permalink] New post 30 Sep 2009, 17:45
IMO A.

Conclusion is - the first Eurasian settlers in North America probably came from a more distant part of Eurasia.

Argument rests on the assumption that if projectile found in mastadon doesn't match the one found in parts of Eurasia closest to North America, then projectile must be similar to found in distant parts of Eurasia.

Answer choice A attacks this assumption by stating that the projectile found in the mastodon does not resemble any that were used in Eurasia before or during the Ice Age.
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Re: North American mastodon [#permalink] New post 30 Sep 2009, 19:58
Yup...for me there was a close contest between A and B.
In B, "throughout the Ice Age" does not help much because the event is the peak of Ice Age, not something shortly after the Ice Age. So even if they were nomadic after the peak, it is not really helpful to weaken the conclusion.

I will switch to A:)
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Re: North American mastodon [#permalink] New post 01 Oct 2009, 08:16
B for me.
"A" sounds good but, it doesn't rule out the possibility that this particular projectile was made by Eurasians. Maybe, this was the only one NEW and Experimental projectile that the Eurasians made and tried. Maybe, they did not like its performance and did not make any more. Or if they did, the archaeologists are yet to uncover more skeletons with such projectiles!
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Re: North American mastodon [#permalink] New post 02 Oct 2009, 16:28
noboru wrote:
20. Archaeologist: A skeleton of a North American mastodon that became extinct at the peak of the Ice Age was recently discovered. It contains a human-made projectile dissimilar to any found in that part of Eurasia closest to North America. Thus, since Eurasians did not settle in North America until shortly before the peak of the Ice Age, the first Eurasian settlers in North America probably came from a more distant part of Eurasia.
Which one of the following, if true, most seriously weakens the archaeologist’s argument?
(A) The projectile found in the mastodon does not resemble any that were used in Eurasia before or during the Ice Age.
(B) The people who occupied the Eurasian area closest to North America remained nomadic throughout the Ice Age.
(C) The skeleton of a bear from the same place and time as the mastodon skeleton contains a similar projectile.
(D) Other North American artifacts from the peak of the Ice Age are similar to ones from the same time found in more distant parts of Eurasia.
(E) Climatic conditions in North America just before the Ice Age were more conducive to human habitation than were those in the part of Eurasia closest to North America at that time.


OA please
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Re: North American mastodon [#permalink] New post 03 Oct 2009, 00:28
What's wrong with D?
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Re: North American mastodon [#permalink] New post 03 Oct 2009, 10:25
A is correct. This is an lsat question and i am 99% sure A is the OA
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Re: North American mastodon [#permalink] New post 08 Oct 2009, 18:18
A for me.
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Re: North American mastodon [#permalink] New post 08 Oct 2009, 19:38
A For me

b - Talks about the people closest to north america, where as the conclusion is about the people who moved from distant places

c,d,e are all irrelevant
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Re: North American mastodon [#permalink] New post 09 Oct 2009, 05:20
E for me
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Re: North American mastodon [#permalink] New post 09 Oct 2009, 07:53
OA should be A, because the 2 options talk about two different groups of people as indicated by the highlighted texts below

Option (A): The projectile found in the mastodon does not resemble any that were used in Eurasia before or during the Ice Age.
Option (B): The people who occupied the Eurasian area closest to North America remained nomadic throughout the Ice Age

So, when option A mentions Eurasia -- that means all Eurasians be it from the area closest to N.America or the distant ones, and option B mentions the Eurasian area closest to North America - its just those closest to N.America
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Re: North American mastodon [#permalink] New post 09 Oct 2009, 13:58
agree with A, as in A it says the artifacts does not exist in eurasia, then it means the settlers did not come from eurasia...

can't be B as it mentioned closest again...the artifacts could have came from people from a more distance land
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Re: North American mastodon [#permalink] New post 19 Oct 2009, 09:18
I do not think that word 'nomadic' in B should weaken it. I vote for A. Please post OA!!!
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Re: North American mastodon [#permalink] New post 19 Oct 2009, 23:58
It has to be A
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Re: North American mastodon [#permalink] New post 20 Oct 2009, 02:20
noboru wrote:
20. Archaeologist: A skeleton of a North American mastodon that became extinct at the peak of the Ice Age was recently discovered. It contains a human-made projectile dissimilar to any found in that part of Eurasia closest to North America. Thus, since Eurasians did not settle in North America until shortly before the peak of the Ice Age, the first Eurasian settlers in North America probably came from a more distant part of Eurasia.
Which one of the following, if true, most seriously weakens the archaeologist’s argument?
(A) The projectile found in the mastodon does not resemble any that were used in Eurasia before or during the Ice Age.
(B) The people who occupied the Eurasian area closest to North America remained nomadic throughout the Ice Age.
(C) The skeleton of a bear from the same place and time as the mastodon skeleton contains a similar projectile.
(D) Other North American artifacts from the peak of the Ice Age are similar to ones from the same time found in more distant parts of Eurasia.
(E) Climatic conditions in North America just before the Ice Age were more conducive to human habitation than were those in the part of Eurasia closest to North America at that time.


IMO A, because it suggests that the projectile is may not be from anywhere in Eurasia (far or near)

B is out of scope
C neither strengthens, nor weakens
D strengthens the argument
E is out of scope
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Re: North American mastodon [#permalink] New post 20 Oct 2009, 09:23
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20. Archaeologist: A skeleton of a North American mastodon that became extinct at the peak of the Ice Age was recently discovered. It contains a human-made projectile dissimilar to any found in that part of Eurasia closest to North America. Thus, since Eurasians did not settle in North America until shortly before the peak of the Ice Age, the first Eurasian settlers in North America probably came from a more distant part of Eurasia.
Which one of the following, if true, most seriously weakens the archaeologist’s argument?
ARGUMENT1: BECAUSE PROJECTILE IN NORTH AMERICAN(NA) SKELETONS DONOT RESEMBLE THE ONES FOUND IN EURASIA NEAR NA
ARGUMENT2:EURASIANS SETTLED IN NA BEFORE PEAK OF ICE AGE
CONCLUSION: EURASIAN SETTLERS IN NA WERE FROM DISTANT EURASIA
(A) The projectile found in the mastodon does not resemble any that were used in Eurasia before or during the Ice Age.
MAKES THE ARGUMENT TOTALLY INVALID BY STATING THAT SKELETONS WITH PROJECTILE WERE DISSIMILAR BECAUSE SUCH PROJECTILES WERE NOT IN USE IN EURASIA AS A WHOLE...SOUNDS GOOD
(B) The people who occupied the Eurasian area closest to North America remained nomadic throughout the Ice Age.
THOUGH THIS MIGHT MEAN THAT THESE WERE THE SAME PEOPLE WHO COULD BE FROM THE DISTANT PART OF EURASIA,IT COULD ALSO MEAN THAT THEY COULD HAVE BEEN FROM OUTSIDE EURASIA ALTOGETHER...DOUBTFUL
(C) The skeleton of a bear from the same place and time as the mastodon skeleton contains a similar projectile.
BEAR FORM SAME PLACE AND SAME TIME HAVING SIMILAR PROJECTILE MAKES SENSE AND STRNGHENS THE ARGUMENT (IF AT ALL)
(D) Other North American artifacts from the peak of the Ice Age are similar to ones from the same time found in more distant parts of Eurasia.
STRGNTHENS THE ARGUMENT THAT EURASIANS BEONGED FROM DISTANT EURASIA
(E) Climatic conditions in North America just before the Ice Age were more conducive to human habitation than were those in the part of Eurasia closest to North America at that time.
IT TALKS ABOUT THE CLIMATIC CONDITIONS OF 2 PLACES WHEN WE ARE CONCERNED ABOUT THE ORIGIN OF EURASIANS SETTLING IN NA.
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Re: North American mastodon [#permalink] New post 22 Oct 2009, 14:07
A is the answer. It makes the argument about tool coming from ANY part of Eurasia wrong.
B cannot be answer because even if they were nomadic where they got the projectile from (assuming it is their tool indeed) and hence it cannot be used to completely invalidate the argument.
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Re: North American mastodon [#permalink] New post 22 Oct 2009, 14:28
one more for A
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Re: North American mastodon [#permalink] New post 11 Nov 2009, 16:57
one more for A, for this same reason..

getmba wrote:
IMO A.

Conclusion is - the first Eurasian settlers in North America probably came from a more distant part of Eurasia.

Argument rests on the assumption that if projectile found in mastadon doesn't match the one found in parts of Eurasia closest to North America, then projectile must be similar to found in distant parts of Eurasia.

Answer choice A attacks this assumption by stating that the projectile found in the mastodon does not resemble any that were used in Eurasia before or during the Ice Age.
Re: North American mastodon   [#permalink] 11 Nov 2009, 16:57
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