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Inorganic pesticides remain active on the surfaces of fruits

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

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New post 11 Aug 2010, 09:05
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A
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C
D
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Inorganic pesticides remain active on the surfaces of fruits and vegetables for several days after spraying, while 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.
[Reveal] Spoiler: OA

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Re: Inorganic pesticides [#permalink]

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New post 11 Aug 2010, 14:12
OA is D

can you explain? I got C.
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Re: Inorganic pesticides [#permalink]

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New post 11 Aug 2010, 19:48
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vwjetty wrote:
OA is D

can you explain? I got C.


I pick C as well :((, but I understand now why it is wrong.

The conclusion only focus on "farms that use ONLY organic pesticides", so farms that use both type of pesticides are out of scope.

D is correct because the Arguments concern with the Ingestion of Toxic, we only have talked about the toxic on the surface of the apple, what if Toxic got inside the skin? D address the issue.

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Re: Inorganic pesticides [#permalink]

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New post 12 Aug 2010, 06:20
Even I was inclined to pick C ...but somehow read that
"Therefore, when purchasing from a farm that uses inorganic pesticides," .... so consumer is buying from the farm and not from the market ...so he can knows....

hence I picked D ...
thnx

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Re: Inorganic pesticides [#permalink]

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Between C and D.

Let's see

There are 2 types of farms as stated:

1. Farms that use inorganic pesticides - consumers worry about washing them

2. Farms that use only organic pesticides - consumers don't worry about washing them

What if there is category 3 farms that use both organics and inorganics contrary to C. Such farms must not be included to farms 2 because farms 2 use organics only. So, consumers should count them as farms 1 and worry about washing them.

There is no need for an additional assumption that eliminates possibility of such farms, it can be read from premises that such farms should be related to farms 1.


Eliminate C.
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Re: Inorganic pesticides [#permalink]

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New post 18 Aug 2010, 02:48
I PICKED D

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Re: Inorganic pesticides [#permalink]

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New post 06 Sep 2010, 02:52
I initially thought it was A but then realised it should be D
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Re: Inorganic pesticides [#permalink]

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New post 06 Sep 2010, 03:34
thanks for very nice discussion in this post,...

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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The conclusion of the argument is that one need not worry about ingesting
pesticides when purchasing produce from farms that use only organic pesticides.
The basis for that claim is the fact that organic pesticides leave the surface of
produce within a few hours of spraying. In order for this argument to be valid, we
must assume that the organic pesticides do not harm the produce in any lasting
way.
(A) This is unrelated to the argument since the conclusion speaks about not
having to worry about ingesting produce on which only organic pesticides were
known to be used.
(B) If anything, this statement runs counter to what the argument is saying. If
produce that has been sprayed with organic pesticide reaches the final consumer
within hours after it is picked, it is possible that the consumer does need be
concerned about the pesticides.
(C) The conclusion of the argument is already limited to those farms which use
"only organic pesticides."
(D) CORRECT. If a pesticide is capable of penetrating the skin of a fruit or
vegetable then, while the organic pesticide will dissipate from the surface of the
fruit in a few hours, it may remain inside the fruit. The author of this argument
assumes that the pesticides cannot penetrate the skin.
(E) The issue of cost is unrelated to the argument's conclusion about pesticide
residues.

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 02 Sep 2013, 22:36
i thought it is A , but later on negating got D

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 08 Oct 2013, 19:49
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The key word over here is 'ingesting'. If organic pesticides dissipate within hours of use, they lose their efficacy. Thus there is no reason for farmers to use them. However it is possible that the organic pesticides may penetrate the fruit to an extent and hence be effective. If u wash or don't wash, you are still going to ingest organic pesticides albeit harmless quantity.

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 26 Oct 2013, 10:45
correct ans is d "becoz it is conclusion of the passage"

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 18 Nov 2013, 13:43
vwjetty wrote:
Inorganic pesticides remain active on the surfaces of fruits and vegetables for several days after spraying, while 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.


I have trouble with D because I think that the skin of the fruit is out of scope for this.
If organic pesticide was used and it penetrated the skin, who is to say that it will not
just disappear as if it did not pierce the skin?
Why do we assume that if it got into the fruit, it will not be able to get out?

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 18 Nov 2013, 16:15
Can someone discuss why B can not be the correct answer.

i think time is determining factor for both the type of fruits.

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 20 Nov 2013, 10:54
B cannot be the assumption as it weakens the conclusion.
if the fruits sprayed with organic pesticides reach consumer within hours of harvesting then the pesticides are still present and they cannot be eaten without being washed.

the correct answer is D.

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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ronr34 wrote:

I have trouble with D because I think that the skin of the fruit is out of scope for this.
If organic pesticide was used and it penetrated the skin, who is to say that it will not
just disappear as if it did not pierce the skin?
Why do we assume that if it got into the fruit, it will not be able to get out?


Hi Ron,

The key word in the passage you have missed is 'surface' - so the passage does only talk about the effect that organic/inorganic have on the surface of the fruit.

So... in D, there is clearly something different at stake, that is to say the pesitcides below the surface.

Does that make sense?

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 21 Nov 2013, 07:11
plumber250 wrote:
ronr34 wrote:

I have trouble with D because I think that the skin of the fruit is out of scope for this.
If organic pesticide was used and it penetrated the skin, who is to say that it will not
just disappear as if it did not pierce the skin?
Why do we assume that if it got into the fruit, it will not be able to get out?


Hi Ron,

The key word in the passage you have missed is 'surface' - so the passage does only talk about the effect that organic/inorganic have on the surface of the fruit.

So... in D, there is clearly something different at stake, that is to say the pesitcides below the surface.

Does that make sense?

James

Hi James
It does make sense, but my question is another...
When I approach statements like this, I am inclined to think that it is out of scope...
Since there is no mention of what happens underneath the surface of the fruit, why is this not
out of scope?
When do you decide that new information brought forth is out of scope and when do you decide that it
is not out of scope?
Is there any generalization that can be made?

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 21 Nov 2013, 07:40
Hi Ronr,

Fair question.

My advice here, is to be super attentive when reading the 'question' (as opposed to the passage itself). Then spending 20/30 seconds working out exactly what that means before charging on.

So, in this case the question is:

The argument above assumes that


So the first thing to do is to work out what the 'argument' is. I.e. what is the argument the person is making, this is likley to be the conclusion. In this passage that phrase is:
But one need not worry about ingesting pesticides when purchasing from farms that use only organic pesticides.


With that as the argument, it's clear that the argument depends on (assumes) that there are no pesticides under the skin.

Does that help?

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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plumber250 wrote:
Hi Ronr,

Fair question.

My advice here, is to be super attentive when reading the 'question' (as opposed to the passage itself). Then spending 20/30 seconds working out exactly what that means before charging on.

So, in this case the question is:

The argument above assumes that


So the first thing to do is to work out what the 'argument' is. I.e. what is the argument the person is making, this is likley to be the conclusion. In this passage that phrase is:
But one need not worry about ingesting pesticides when purchasing from farms that use only organic pesticides.


With that as the argument, it's clear that the argument depends on (assumes) that there are no pesticides under the skin.

Does that help?

James

It does.
Thanks.
I guess I still need some practice :) ......

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Re: Inorganic pesticides remain active on the surfaces of fruits [#permalink]

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New post 27 May 2014, 08:26
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vwjetty wrote:
Inorganic pesticides remain active on the surfaces of fruits and vegetables for several days after spraying, while 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.


Inorganic pesticides remain active on the surfaces of fruits and vegetables for several days after spraying, while 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. THE ORIGINS? THIS IS NOT THE SAME AS WHETHER ORGANIC OR INORGANIC PESTICIDE IS USED - WRONG
B Produce from farms that use organic pesticides reaches the consumer within hours after it is picked or harvested. TOTALLY OUT OF SCOPE- WRONG
C No farm uses both organic and inorganic pesticides. EVEN IF FARMS USE BOTH, THIS DOES NOT NECESSARILY MEAN THAT A FRUIT WILL CONTAIN BOTH AT THE SAME TIME. NICE TRY- WRONG
D No pesticide is capable of penetrating the skin of a fruit or vegetable.- NOW IF ITS CAPABLE OF PENETRATING THE SKIN, THEN WHETHER INORGANIC OR ORGANIC WE DO NEED TO WORRY
E The use of either type of pesticide does not increase the cost of produce- THE DISCUSSION IS NOT ABOUT THE COST YOU CHEAP BASTARDS!- WRONG

Hope it helps

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Re: Inorganic pesticides remain active on the surfaces of fruits   [#permalink] 27 May 2014, 08:26

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