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Humans began to spread across North American around 12,000 years ago,

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Humans began to spread across North American around 12,000 years ago,  [#permalink]

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New post 25 Feb 2020, 00:40
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Humans began to spread across North American around 12,000 years ago, as the climate became warmer. During the same period the large mammals that were once abundant in North America, such as the mastodon, the woolly mammoth, and the saber-toothed tiger, became extinct. Thus, contrary to the myth that humans formerly lived in harmony with the rest of nature, it is clear that even 12,000 years ago human activity was causing the extinction of animal species.

The argument is most vulnerable o the criticism that


(A) it adopts without question a view of the world in which humans are seen as not included in nature

(B) in calling the idea that humans once lived in harmony with nature a myth the argument presupposes what it attempts to prove

(C) for early inhabitants of North America the destruction of mastodons, woolly mammoths, and saber-toothed tigers might have had very different significance than the extinction of mammal species does for modern humans

(D) there might have been many other species of animals, besides mastodon, woolly mammoths, and saber-toothed tigers, that became extinct as the result of the spread of humans across North American

(E) the evidence it cites is consistent with the alternative hypothesis that the large mammals’ extinction was a direct result of the same change in climate that allowed humans to spread across North American



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Re: Humans began to spread across North American around 12,000 years ago,  [#permalink]

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New post 25 Feb 2020, 01:09
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E ..... it may be that increase in temperature was pernicious for the animals...

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Humans began to spread across North American around 12,000 years ago,  [#permalink]

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New post 26 Feb 2020, 03:29
Humans began to spread across North American around 12,000 years ago, as the climate became warmer. During the same period the large mammals that were once abundant in North America, such as the mastodon, the woolly mammoth, and the saber-toothed tiger, became extinct. Thus, contrary to the myth that humans formerly lived in harmony with the rest of nature, it is clear that even 12,000 years ago human activity was causing the extinction of animal species.

The argument is most vulnerable o the criticism that


Weaken question

Pre-thinking

The author presents 2 facts:
#1: Humans moving to North America
#2: Extinction during the same period of some animals

And then the author concludes: Humans caused the extinctions of those animals.

The Gap in the author's logic is that there are no evidence to claim that humans were responsible for the change as other factors could have just contributed to the extinctions.


POE:

(A) it adopts without question a view of the world in which humans are seen as not included in nature
Irrelevant

(B) in calling the idea that humans once lived in harmony with nature a myth the argument presupposes what it attempts to prove
Irrelevant

(C) for early inhabitants of North America the destruction of mastodons, woolly mammoths, and saber-toothed tigers might have had very different significance than the extinction of mammal species does for modern humans
Irrelevant

(D) there might have been many other species of animals, besides mastodon, woolly mammoths, and saber-toothed tigers, that became extinct as the result of the spread of humans across North American
Irrelevant

(E) the evidence it cites is consistent with the alternative hypothesis that the large mammals’ extinction was a direct result of the same change in climate that allowed humans to spread across North American
In line with pre-thinking


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Re: Humans began to spread across North American around 12,000 years ago,  [#permalink]

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New post 26 Feb 2020, 05:45
E gives you the alternative explanation that what could be the other reason for animal extinction and thus weakens the given conclusion

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Re: Humans began to spread across North American around 12,000 years ago,   [#permalink] 26 Feb 2020, 05:45
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Humans began to spread across North American around 12,000 years ago,

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