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# The ruins of the prehistoric Bolivian city of Tiwanaku feature green

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Senior Manager
Status: PhD-trained. Education, Research, Teaching, Training, Consulting and Advisory Services
Joined: 23 Apr 2019
Posts: 438
The ruins of the prehistoric Bolivian city of Tiwanaku feature green  [#permalink]

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24 Nov 2019, 07:36
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Difficulty:

45% (medium)

Question Stats:

72% (01:48) correct 28% (02:20) wrong based on 69 sessions

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The ruins of the prehistoric Bolivian city of Tiwanaku feature green andacite stones weighing up to 40 tons. These stones were quarried at Copacabana, which is across a lake and about 90 kilometers away. Archaeologists hypothesize that the stones were brought to Tiwanaku on reed boats. To show this was possible, experimenters transported a 9-ton stone from Copacabana to Tiwanaku using a reed boat built with locally available materials and techniques traditional to the area.

Which one of the following would be most useful to know in order to evaluate the support for the archaeologists’ hypothesis?

(A) whether the traditional techniques for building reed boats were in use at the time Tiwanaku was inhabited

(B) whether green andacite stones quarried at the time Tiwanaku was inhabited were used at any sites near Copacabana

(C) whether reed boats are commonly used today on the lake

(D) whether the green andacite stones at Tiwanaku are the largest stones at the site

(E) whether the reed boat built for the experimenters is durable enough to remain usable for several years
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The ruins of the prehistoric Bolivian city of Tiwanaku feature green  [#permalink]

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01 Dec 2019, 13:41
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Pre-thinking

My pre-thought assumption was that the boat built by the archeologists was able to carry also heavier stones than the 9 kilo stone used in the experiment.
Although the option choices do not mention anything similar we can see how a yes or a no to the first statement would strengthen or weaken the argument.+

Option A
The ruins of the prehistoric Bolivian city of Tiwanaku feature green   [#permalink] 01 Dec 2019, 13:41
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