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# Scientists who studied the famous gold field known as Serra

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SVP
Joined: 28 May 2005
Posts: 1700

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Location: Dhaka
Scientists who studied the famous gold field known as Serra [#permalink]

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23 Dec 2005, 13:03
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Scientists who studied the famous gold field known as Serra Pelada concluded that the rich lode was not produced by the accepted methods of ore formation but that swarms of microbes over millions of years concentrated the gold from jungle soils and rivers and rocks.

A. not produced by the accepted methods of ore formation but that swarms of microbes over millions of years
B. not produced by the accepted methods of ore formation but instead swarms of microbes over millions of years that
C. not produced by the accepted methods of ore formation but swarms of microbes over millions of years that
D. produced not by the accepted methods of ore formation but by swarms of microbes that over millions of years
E. produced not by the accepted met
F. hods of ore formation but that swarms of microbes over millions of years
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hey ya......

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Manager
Joined: 22 Nov 2005
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23 Dec 2005, 13:27
Agree with allabout. D is parallel....not by X but by Y

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SVP
Joined: 28 May 2005
Posts: 1700

Kudos [?]: 474 [0], given: 0

Location: Dhaka

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24 Dec 2005, 11:07
yup OA is D.
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hey ya......

Kudos [?]: 474 [0], given: 0

24 Dec 2005, 11:07
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