North America

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North America

by aj5105 » Wed Jun 10, 2009 6:03 am
Most archaeologists have held that people first reached the Americas less than 20,000 years ago by crossing a land bridge into North America. But recent discoveries of human shelters in South America dating from 32,000 years ago have led researchers to speculate that people arrived in South America first, after voyaging across the Pacific, and then spread northward.

Which of the following, if it were discovered, would be pertinent evidence against the speculation above?

A. A rock shelter near Pittsburgh, Pennsylvania, contains evidence of use by human beings 19,000 years ago.

B. Some North American sites of human habitation predate any sites found in South America.

C. The climate is warmer at the 32,000-year-old South American site than at the oldest known North American site.

D. The site in South America that was occupied 32,000 years ago was continuously occupied until 6,000 years ago.

E. The last Ice Age, between 11,500 and 20,000 years ago, considerably lowered worldwide
Source: — Critical Reasoning |

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by ST » Wed Jun 10, 2009 6:16 am
Is it B?

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by turbo jet » Wed Jun 10, 2009 6:59 am
IMO: B

A; Neutral
B: Correct as it negates the speculation
C: Neutral
D; Neutral
E: Neutral

OA please.

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by aj5105 » Wed Jun 10, 2009 10:06 am
Spot on!
turbo jet wrote:IMO: B

A; Neutral
B: Correct as it negates the speculation
C: Neutral
D; Neutral
E: Neutral

OA please.

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Re: North America

by amazonviper » Wed Jun 10, 2009 10:34 am
aj5105 wrote:Most archaeologists have held that people first reached the Americas less than 20,000 years ago by crossing a land bridge into North America. But recent discoveries of human shelters in South America dating from 32,000 years ago have led researchers to speculate that people arrived in South America first, after voyaging across the Pacific, and then spread northward.

Which of the following, if it were discovered, would be pertinent evidence against the speculation above?

A. A rock shelter near Pittsburgh, Pennsylvania, contains evidence of use by human beings 19,000 years ago.

B. Some North American sites of human habitation predate any sites found in South America.

C. The climate is warmer at the 32,000-year-old South American site than at the oldest known North American site.

D. The site in South America that was occupied 32,000 years ago was continuously occupied until 6,000 years ago.

E. The last Ice Age, between 11,500 and 20,000 years ago, considerably lowered worldwide
Yay!. I thought B too!. It is a pretty straightforward question!.

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by ranell » Wed Jun 10, 2009 11:16 am
I would go for B. It's worth is not mor than 620-630 - very easy.

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by Brad.C » Sun May 15, 2016 1:57 pm
I will go with option B