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# The pollution levels of the Southern Ocean have increased by a signifi

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SVP
Joined: 12 Dec 2016
Posts: 1607
Location: United States
GMAT 1: 700 Q49 V33
GPA: 3.64
The pollution levels of the Southern Ocean have increased by a signifi  [#permalink]

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19 Dec 2017, 21:10
00:00

Difficulty:

25% (medium)

Question Stats:

74% (00:36) correct 26% (00:56) wrong based on 50 sessions

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The pollution levels of the Southern Ocean have increased by a significant amount over the last decade, which has led to speculation that its marine life may decrease at an alarming rate over the next ten years.

A>
Ocean have increased by a significant amount over the last decade, which has led
B. Ocean increasing by a significant amount over the last decade has led
C. Ocean, which have increased by a significant amount over the last decade, led
D. Ocean have increased by a significant amount over the last decade, and this has led
E. Ocean have increased by a significant amount over the last decade, leading

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Intern
Joined: 11 Jul 2017
Posts: 15
Re: The pollution levels of the Southern Ocean have increased by a signifi  [#permalink]

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19 Dec 2017, 22:28
A. Use of which
B. Incorrect construction
C. Same error as A
D or E ?
I would have gone for E due to the cause effect nature of ing.

OA?

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Senior Manager
Joined: 07 Oct 2017
Posts: 260
Re: The pollution levels of the Southern Ocean have increased by a signifi  [#permalink]

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20 Dec 2017, 03:55
B - says *ocean is increasing*
C - remove the modifier
It says pollution levels led to speculations rather than increase in pollution
This is non-sensical

D- *this* refers to action of increase in level. Pronoun cannot refer to an action.

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Re: The pollution levels of the Southern Ocean have increased by a signifi &nbs [#permalink] 20 Dec 2017, 03:55
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