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# Sixty-five million years ago, according to some scientists

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Manager
Joined: 26 Nov 2018
Posts: 68
Concentration: Technology, Entrepreneurship
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WE: Manufacturing and Production (Manufacturing)
Sixty-five million years ago, according to some scientists  [#permalink]

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17 Feb 2019, 05:42
1
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Difficulty:

(N/A)

Question Stats:

42% (01:41) correct 58% (01:16) wrong based on 12 sessions

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Sixty-five million years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous Period.

(A) which, causing plant and animal extinctions, marks
(B) which caused the plant and animal extinctions marking
(C) and causing plant and animal extinctions that mark
(D) an event that caused plant and animal extinctions, and it marks
(E) an event that caused the plant and animal extinctions that mark

Will anyone explain the correct answer?
Math Expert
Joined: 02 Sep 2009
Posts: 53698
Re: Sixty-five million years ago, according to some scientists  [#permalink]

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17 Feb 2019, 07:21
Rashed12 wrote:
Sixty-five million years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous Period.

(A) which, causing plant and animal extinctions, marks
(B) which caused the plant and animal extinctions marking
(C) and causing plant and animal extinctions that mark
(D) an event that caused plant and animal extinctions, and it marks
(E) an event that caused the plant and animal extinctions that mark

Will anyone explain the correct answer?

Discussed here: https://gmatclub.com/forum/sixty-five-m ... 94658.html
_________________
Re: Sixty-five million years ago, according to some scientists   [#permalink] 17 Feb 2019, 07:21
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