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While they remove carbon dioxide from the air, conserve soil

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While they remove carbon dioxide from the air, conserve soil [#permalink] New post 21 Sep 2009, 17:01
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86% (02:10) correct 14% (00:46) wrong based on 139 sessions
87. While they remove carbon dioxide from the air, conserve soil and water, and house thousands of species, forests also supply potentially valuable pharmaceuticals, and, as sources of building material and firewood, that provide employment for millions worldwide.
A. pharmaceuticals, and, as sources of building material and firewood, that provide
B. pharmaceuticals, and sources of building material and firewood, are providers of
C. pharmaceuticals and, as sources of building material and firewood that are provide
D. pharmaceuticals and as sources of building material and firewood, for providing
E. pharmaceuticals and, as sources of building material and firewood, provide
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Re: Remove Carbon Dioxide [#permalink] New post 21 Sep 2009, 22:37
I would say E
kinda like "forest also SUPPLY x and (,modifier,) provide Y
E. pharmaceuticals and, as sources of building material and firewood, provide

Whats OA?
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Re: Remove Carbon Dioxide [#permalink] New post 21 Sep 2009, 22:46
OA is E
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Re: Remove Carbon Dioxide [#permalink] New post 29 May 2011, 09:10
Simple and good question - after "and" .. ", as source of building .., " confused me , Then I realised it is modifier and can be ignored ...

So answer is E parallelism - supply and provide
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Re: Remove Carbon Dioxide [#permalink] New post 29 May 2011, 09:24
87. While they remove carbon dioxide from the air, conserve soil and water, and house thousands of species, forests also supply potentially valuable pharmaceuticals, and, as sources of building material and firewood, that provide employment for millions worldwide.
A. pharmaceuticals, and, as sources of building material and firewood, that provide - comma twice looks awkward, 'that' changes the meaning
B. pharmaceuticals, and sources of building material and firewood, are providers of - comma after pharmaceuticals is ambiguous
C. pharmaceuticals and, as sources of building material and firewood that are provide - that are provide?
D. pharmaceuticals and as sources of building material and firewood, for providing - for providing?, also you need comma after 'and'
E. pharmaceuticals and, as sources of building material and firewood, provide - makes most sense
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Re: Remove Carbon Dioxide [#permalink] New post 29 May 2011, 15:51
+1 E

This sentence requires parallelism for the verbs: supply and provide (both have to be working verbs).
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Re: Remove Carbon Dioxide [#permalink] New post 29 Jun 2011, 06:23
I ,initially marked the answer as C, but later realized it should be E
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Re: Remove Carbon Dioxide [#permalink] New post 29 Jun 2011, 08:12
forests supply and provide. So E contains this and should be the correct answer.
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Re: Remove Carbon Dioxide [#permalink] New post 29 Jun 2011, 23:06
E for me too....
We cannot have comma before 'and'.... This will eliminate options A and B...
C has the incorrect usage 'that are provide'...
D is incorrect because of "for providing"... supply has to be parallel with provide...

Left with E....
:)
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Re: While they remove carbon dioxide from the air, conserve soil [#permalink] New post 17 Jul 2012, 18:44
87. While they remove carbon dioxide from the air, conserve soil and water, and house thousands of species, forests also supply potentially valuable pharmaceuticals, and, as sources of building material and firewood, that provide employment for millions worldwide.

A. pharmaceuticals, and, as sources of building material and firewood, that provide
B. pharmaceuticals, and sources of building material and firewood, are providers of
C. pharmaceuticals and, as sources of building material and firewood that are provide
D. pharmaceuticals and as sources of building material and firewood, for providing
E. pharmaceuticals and, as sources of building material and firewood, provide

I think this particular problem is more related with the meaning of the sentence.

Forests supplies pharmaceuticals.
and 'as sources of building material and firewood' forests provide employment for millions worldwide.

The above combination conveys the meaning clearly.

A. pharmaceuticals, and, as sources of building material and firewood, that provide
'and' creates a fragment sentence

B. pharmaceuticals, and sources of building material and firewood, are providers of
meaning distortion

C. pharmaceuticals and, as sources of building material and firewood that are provide
meaning distortion

D. pharmaceuticals and as sources of building material and firewood, for providing
parallelism, 'for providing' meaning distortion

E. pharmaceuticals and, as sources of building material and firewood, provide
correct
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Re: While they remove carbon dioxide from the air, conserve soil [#permalink] New post 27 May 2014, 05:23
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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Re: While they remove carbon dioxide from the air, conserve soil   [#permalink] 27 May 2014, 05:23
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