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The pesticide Azocide, introduced to central valley farms

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Director
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The pesticide Azocide, introduced to central valley farms [#permalink]

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12 Apr 2007, 03:49
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The pesticide Azocide, introduced to central valley farms three summers ago, has proven ineffective because other pesticides' chemical compositions already in wide use neutralizing its desired effect.
a. because other pesticides' chemical compositions already in wide use

b. because of the chemical compositions of the pesticides already in wide use

c. due to other pesticides already in wide use, whose chemical compositions have been

d. since, due to the chemical compositions of other pesticides already in use, those pesticides have been

e. because of other pesticides and their chemical compositions already in use, which have been

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Manager
Joined: 22 Feb 2007
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12 Apr 2007, 06:26
The underlined portion should give reason why the pesticide Azocide has proven ineffective.

a. because other pesticides' chemical compositions already in wide use
unnecessary use of possessive case

b. because of the chemical compositions of the pesticides already in wide use
awkward

c. due to other pesticides already in wide use, whose chemical compositions have been
Correct - the part after whose explains why the pesticide Azocide has proven ineffective.

d. since, due to the chemical compositions of other pesticides already in use, those pesticides have been
Verbose

e. because of other pesticides and their chemical compositions already in use, which have been
awkward

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Senior Manager
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12 Apr 2007, 07:26
Thank you GMAThopeful for the good explanations, here are some more:

(A) chemical compositions are compared with the pesticide (don't compare apples to oranges!)

(B) same mistake like (A), 'because of' is awkward

(C) due to is the right idiom to compare pesticide with other pesticides, therefore correct

(D) wordy

(E) 'because of' is awkward, sentence is quite wordy

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Director
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12 Apr 2007, 08:23
vshaunak@gmail.com wrote:
The pesticide Azocide, introduced to central valley farms three summers ago, has proven ineffective because other pesticides' chemical compositions already in wide use neutralizing its desired effect.
a. because other pesticides' chemical compositions already in wide use

b. because of the chemical compositions of the pesticides already in wide use

c. due to other pesticides already in wide use, whose chemical compositions have been

d. since, due to the chemical compositions of other pesticides already in use, those pesticides have been

e. because of other pesticides and their chemical compositions already in use, which have been

Straight and clear the answer is "E". Do you need explanation for this one? Please tell..I will try to explain

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Director
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GMAT 1: 740 Q48 V42

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12 Apr 2007, 08:32
a. because other pesticides' chemical compositions already in wide use
- sounds like it is the chemical compositions that are already in wide use, rather than the other pesticides, themselves.
b. because of the chemical compositions of the pesticides already in wide use
- most appropriate. B is my choice..
c. due to other pesticides already in wide use, whose chemical compositions have been
- incorrectly allocates the reason. Azocide is ineffective not just because of other pesticides already in use, but rather because the chemical composition of those pesticides neutralizes the desired effects of Azocide.
d. since, due to the chemical compositions of other pesticides already in use, those pesticides have been
-too awkward, and wordy?
e. because of other pesticides and their chemical compositions already in use, which have been
-separates "other pesticides" and "their chemical compositions" into distinct entities.

Anand

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Director
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12 Apr 2007, 08:35
B is in the format "X is not effective, because of Y in Z neutralizing X".

So, that still stands.

Anand

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Manager
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12 Apr 2007, 09:00
C for me.

C states that the cause is "due to the other pesticides in wide use, whose chemical compositions have been"

I think the "have been" clearly refers back to the fact that Azocide was introduced a few months ago and up to now, its desired effect has been neutralized.

B would be better if are was added at the end... "because of the chemical compositions of the pesticides already in wide use ARE neutralizing..." Without are, it sounds awkward to me.

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Director
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12 Apr 2007, 11:32
Thanks for responses. OA is 'C'
'Due to' should be used,

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Director
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15 Apr 2007, 01:37
GMAThopeful wrote:
The underlined portion should give reason why the pesticide Azocide has proven ineffective.

a. because other pesticides' chemical compositions already in wide use
unnecessary use of possessive case

b. because of the chemical compositions of the pesticides already in wide use
awkward

c. due to other pesticides already in wide use, whose chemical compositions have been
Correct - the part after whose explains why the pesticide Azocide has proven ineffective.

d. since, due to the chemical compositions of other pesticides already in use, those pesticides have been
Verbose

e. because of other pesticides and their chemical compositions already in use, which have been
awkward

I also chose B but 'because of' in B is incorrect...C it is.

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Director
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15 Apr 2007, 02:12
There is just one more thing i want to get clarified.

Due to can only be used when it can be replaced by caused by.

Now C says:
The pesticide Azocide, introduced to central valley farms three summers ago, has proven ineffective due to other pesticides already in wide use, whose chemical compositions have been

The pesticide Azocide, introduced to central valley farms three summers ago, has proven ineffective caused by other pesticides already in wide use, whose chemical compositions have been

This is awkward.

Now because of can only be used when it can answer the question Why?

Now B says
The pesticide Azocide, introduced to central valley farms three summers ago, has proven ineffective because of the chemical compositions of the pesticides already in wide use

This answers the question why the pesticide has proven ineffective.

So B makes sense.

Source: http://www.agriculture.purdue.edu/agcomm/ontarget/0609/Grammar_trap.htm

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15 Apr 2007, 02:12
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The pesticide Azocide, introduced to central valley farms

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