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# Inorganic pesticides remain active on the surface of fruits

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Inorganic pesticides remain active on the surface of fruits [#permalink]

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15 Aug 2006, 16:26
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Inorganic pesticides remain active on the surface of fruits and vegetables for several days after spraying, whereas organic pesticides dissipate within a few hours after application, leaving the surface of the sprayed produce free of pesticide residue. Therefore, when purchasing from a farm that uses inorganic pesticides, one must be careful to wash the produce thoroughly before eating it to prevent the ingestion of toxins. But one need not worry about ingesting pesticides when purchasing from farms that use only organic pesticides.

The argument above assumes that

A. Consumers are aware of the origins of the produce they purchase.

B. Produce from farms that use organic pesticides reaches the consumer within hours after it is picked or harvested.

C. No farm uses both organic and inorganic pesticides.

D. No pesticide is capable of penetrating the skin of a fruit or vegetable.

E. The use of either type of pesticide does not increase the cost of produce.

OA later...
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15 Aug 2006, 17:28
I would go with C here...

The argument seems to clearly distinguish between produce from farms using inorganic v/s organic pesticides.
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15 Aug 2006, 18:20
B and D are the only contenders here

B talks about the time, which was never mentioned in the argument.

D talks relates to conclusion about washing off inorganic pesticides, so we must assume that those pesticides go no further than the skin of the fruit.

D 99.9% sure
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15 Aug 2006, 19:50
Is it (A).
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15 Aug 2006, 20:01
Argument:Inorganic pesticides are not digestive as organic ones do as the pesticide on the skin get evaporated (or whatever) on organic ones.

Conclusion: Better to us organic

Assumption connects Argument(eveidence) and conclusion.

D is the right fit here
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15 Aug 2006, 20:08
sperinko wrote:
Is it (A).

I don't claim to be 100% correct, but here is a problem with A IMO

Therefore, when purchasing from a farm that uses inorganic pesticides, one must be careful to wash the produce thoroughly before eating it to prevent the ingestion of toxins.

now the question asks for an ASSUMPTION on which argument depends... and ASSUMPTION IS NEVER STATED and the read highlighted part is EXPLICITLY saying where the consumers buying produce from... hence A isn't it!!!

hope this helps.
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15 Aug 2006, 21:10
gmatcrook wrote:
Inorganic pesticides remain active on the surface of fruits and vegetables for several days after spraying, whereas organic pesticides dissipate within a few hours after application, leaving the surface of the sprayed produce free of pesticide residue. Therefore, when purchasing from a farm that uses inorganic pesticides, one must be careful to wash the produce thoroughly before eating it to prevent the ingestion of toxins. But one need not worry about ingesting pesticides when purchasing from farms that use only organic pesticides.

The argument above assumes that

A. Consumers are aware of the origins of the produce they purchase.

B. Produce from farms that use organic pesticides reaches the consumer within hours after it is picked or harvested.

C. No farm uses both organic and inorganic pesticides.

D. No pesticide is capable of penetrating the skin of a fruit or vegetable.

E. The use of either type of pesticide does not increase the cost of produce.

OA later...

This is a tough one.

A. Doesn't seem right - it doesn't look like the question makes an issue of the consumer knowing where the produce came from.

B. Can't be correct, because if this were assumed then organic pesticides could still be on the fruit.

C. This is not correct, because the concluding sentence states "farms that use only organic pesticides".

D. I discounted this when I read through the first time, but I think this is the answer. The passage mentions pesticides on the surfact of the fruit numerous times, but does not limit the conclusion to just the surfact, but ingesting the fruit as a whole.

E. This is not correct. Price is not an issue here.

I'll go with D.
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15 Aug 2006, 21:44
I think B and D are out of context here.

B - produce reaches within a few hours of the last spraying, it may or may not have the traces of pesticide on it. So, you can't be very sure of whether to wash it.

D - if the pesticide were to penetrate the fruit, the fruit is going to be inedible no matter you wash it or don't.

A - is the right answer. The author is telling the general public what they should do with the produce from different farms. This means that the author believes/assumes that people know the origin of the produce.
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15 Aug 2006, 22:10
I go with D

Conclusion: Therefore, when purchasing from a farm that uses inorganic pesticides, one must be careful to wash the produce thoroughly before eating it to prevent the ingestion of toxins.

If the pesticide is capable of penerating teh skin of the fruit then the consumer will ingest the toxins even after washing and the argument fails.

IMO, A is not correct. If users are NOT aware of the origins of the produce then washing them will always prevent the ingestion of toxins. So there is no need to know the source of the produce.
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15 Aug 2006, 22:29
Initially I thought D to be out of scope because the passage doesn't give any informaton on whether the pesticides could or could not penetrate the skin of the fruit.

But while we are concerned with washing the fruit etc, if the pesticide penetrates the skin no amount of washing will help. Since the author says washing is sufficient the author MUST ASSUME there's no way the pesticide can penetrate the skin.
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16 Aug 2006, 08:25
OA is indeed D.
16 Aug 2006, 08:25
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