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# What concern scientists the most about global warming are

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Intern
Joined: 07 Jan 2007
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20 May 2007, 14:29
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What concern scientists the most about global warming are the risks that the polar ice caps will melt, the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

A. are the risks that the polar ice caps will melt, the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

B. is the risks that the polar ice caps will melt, that the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

C. are the risks that the polar ice caps will melt, that the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

D. is the risks that the polar ice caps will melt, the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

E. are the risks that the polar ice caps melting, seas growing too warm to sustain marine life, and that violent weather patterns may result.
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20 May 2007, 17:25
Should be C as "concern" is plural so we need "are".

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20 May 2007, 19:27
Should be 'C'.
Maintains correct subject-verb agreement and parallelism.

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22 May 2007, 03:58
Its a 2/3 split

I go with "is" as concern is singular

what should we consider here - "concern" or "risks"
"concern is" but "risks are"
which one is correct ?? Comments plz

Between B & D
D => not || ...wrong list

I go with B

what is the OA ?

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22 May 2007, 06:45
ill take C for 2 reasons......

concern---->are
and
parallelism
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22 May 2007, 11:15
I think concern here is singular and hence i pick B.

Javed.

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22 May 2007, 11:51
I vote for C

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22 May 2007, 11:52
javed wrote:
I think concern here is singular and hence i pick B.

Javed.

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The subject phrase -'What concern scientists the most about global warming' is plural not singular.

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22 May 2007, 11:55
Go with 'C'

Typical case of subject -verb flip

Here, verb(concern) comes before the subject(risks)

flipping it => the risks concern scientists the most ..

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22 May 2007, 13:55
i think concern over here is singular.

http://www.bartleby.com/68/11/1411.html

so B fits.

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22 May 2007, 21:29
Thanks for the discussion. I had selected B.

OA is C.

In the opening clause "what concern scientists", the plural verb concern follows what. Additionally, what serves as the subject of the main clause, "what.....are the risks".
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25 May 2007, 02:44
A. are the risks that the polar ice caps will melt, the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

B. is the risks that the polar ice caps will melt, that the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

C. are the risks that the polar ice caps will melt, that the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

D. is the risks that the polar ice caps will melt, the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

E. are the risks that the polar ice caps melting, seas growing too warm to sustain marine life, and that violent weather patterns may result. - Use of "ing" - is not encouraged.

I thought like this

B & D - Subject Verb Agreement. "is" should not be used. There should be "are"
Left with A, C & E

E - Use of "ing" - is not encouraged.

Left with A & C

let's look at the construction of C.
....are the risks X, Y and Z

Now let's also look at the construction of A
...are the risks that X, Y and that Z
A - seems to say that Z may occur 'coz of X & Y. Context is changed.

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29 Oct 2014, 20:51
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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29 Oct 2014, 23:20
Quote:
What concern scientists the most about global warming are the risks that the polar ice caps will melt, the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

A. are the risks that the polar ice caps will melt, the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

B. is the risks that the polar ice caps will melt, that the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

C. are the risks that the polar ice caps will melt, that the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

D. is the risks that the polar ice caps will melt, the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

E. are the risks that the polar ice caps melting, seas growing too warm to sustain marine life, and that violent weather patterns may result.

This problem is pretty old and flawed.

'What concern scientists' is imprecise.

Noun clause should be singular. The correct construction should be:

What concerns scientists ... is... (correct list: that X, that Y, and that Z)
What concerns scientists the most about global warming (option B)

Best!
Dolly
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