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The period when the great painted caves at Lascaux and

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Manager
Joined: 16 Feb 2011
Posts: 240

Kudos [?]: 194 [0], given: 9

The period when the great painted caves at Lascaux and [#permalink]

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11 Jul 2011, 08:39
803. The period when the great painted caves at Lascaux and Altamira were occupied by Upper Paleolithic people has been established by carbon-14 dating, but what is much more difficult to determine are the reason for their decoration, the use to which primitive people put the caves, and the meaning of the magnificently depicted animals.

(A) has been established by carbon-14 dating, but what is much more difficult to determine are
(B) has been established by carbon-14 dating, but what is much more difficult to determine is
(C) have been established by carbon-14 dating, but what is much more difficult to determine is
(D) have been established by carbon-14 dating, but what is much more difficult to determine are
(E) are established by carbon-14 dating, but that which is much more difficult to determine is

Please help explain the answer as I could not find the explanation in any post.
Thanks in advance.

Kudos [?]: 194 [0], given: 9

Senior Manager
Joined: 24 Mar 2011
Posts: 440

Kudos [?]: 215 [0], given: 20

Location: Texas
Re: SC: Caves [#permalink]

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11 Jul 2011, 09:07
should be B.

the period... -- singular

what is most difficult to determine - singular

Kudos [?]: 215 [0], given: 20

Math Forum Moderator
Joined: 20 Dec 2010
Posts: 1964

Kudos [?]: 2051 [0], given: 376

Re: SC: Caves [#permalink]

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11 Jul 2011, 10:17
DeeptiM wrote:
803. The period when the great painted caves at Lascaux and Altamira were occupied by Upper Paleolithic people has been established by carbon-14 dating, but what is much more difficult to determine are the reason for their decoration, the use to which primitive people put the caves, and the meaning of the magnificently depicted animals.

(A) has been established by carbon-14 dating, but what is much more difficult to determine are
(B) has been established by carbon-14 dating, but what is much more difficult to determine is
(C) have been established by carbon-14 dating, but what is much more difficult to determine is
(D) have been established by carbon-14 dating, but what is much more difficult to determine are
(E) are established by carbon-14 dating, but that which is much more difficult to determine is

Please help explain the answer as I could not find the explanation in any post.
Thanks in advance.

Also discussed:
carbon-14-dating-81519.html
painted-caves-at-lascaux-and-altamira-93734.html
lascaux-and-altamira-33225.html
period-75054.html
_________________

Kudos [?]: 2051 [0], given: 376

Re: SC: Caves   [#permalink] 11 Jul 2011, 10:17
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The period when the great painted caves at Lascaux and

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