Mark: Plastic-foam cups, which contain environmentally : GMAT Critical Reasoning (CR)
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# Mark: Plastic-foam cups, which contain environmentally

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Director
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Mark: Plastic-foam cups, which contain environmentally [#permalink]

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04 Jul 2007, 18:03
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Mark: Plastic-foam cups, which contain environmentally harmful chlorofluorocarbons, should no longer be used; paper cups are preferable. Styrene, a carcinogenic by-product, is generated in foam production, and foam cups, once used, persist indefinitely in the environment.

Tina: You overlook the environmental effects of paper cups. A study done 5 years ago showed that making paper for their production burned more petroleum than was used for foam cups and used 12 times as much steam, 36 times as much electricity, and twice as much cooling water. Because paper cups weigh more, their transportation takes more energy. Paper mills produce water pollution, and when the cups decay they produce methane, a gas that contributes to harmful global warming. So they are a worse choice.

To decide the issue between Mark and Tina, it would first be most important to decide
(A) how soon each of the kinds of harm cited by Mark and Tina would be likely to be at its maximum level
(B) whether members of some societies use, on average, more disposable goods than do members of other societies
(C) whether it is necessary to seek a third alternative that has none of the negative consequences cited with respect to the two products
(D) how much of the chains of causation involved in the production, marketing, and disposal of the products should be considered in analyzing their environmental impact
(E) whether paper and foam cups, in their most popular sizes, hold the same quantities of liquid

Last edited by vineetgupta on 05 Jul 2007, 16:51, edited 1 time in total.
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04 Jul 2007, 18:12
I shall go with E.
The first thing to check is whether both the cups hold the same amount of liquid.

What is the OA?
Director
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05 Jul 2007, 16:52
Director
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05 Jul 2007, 17:12
D Vs E.
I like E.
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05 Jul 2007, 17:55
i go with D
Senior Manager
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05 Jul 2007, 18:00
C.

if there was another alternative w/o the negative consequences, it would be a better choice.
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06 Jul 2007, 05:45
D .

We need to know the degree to the causation mechanism need to be applied to know the harmful effects.

~sara
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06 Jul 2007, 06:03
I go with D

E is out of scope....just because one or the other holds more liquid does not mean the size is different. You can have a plastic that is 100 feet thick that only has enough space for a cup of water.

C is wrong because the argument is between paper and foam, and deciding which one is better. A third choice may not have negative consequences with respect to the 2 products but it could have new, unforeseen consequences
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06 Jul 2007, 08:16
Correct D...
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06 Jul 2007, 10:30
terp26 wrote:
I go with D

C is wrong because the argument is between paper and foam, and deciding which one is better. A third choice may not have negative consequences with respect to the 2 products but it could have new, unforeseen consequences

Agreed. The decision is clearly between paper and foam. If they were talking about cups in general, C would come into play.
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Re: CR - Plastic-foam cups [#permalink]

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06 Jul 2007, 11:04
vineetgupta wrote:
Mark: Plastic-foam cups, which contain environmentally harmful chlorofluorocarbons, should no longer be used; paper cups are preferable. Styrene, a carcinogenic by-product, is generated in foam production, and foam cups, once used, persist indefinitely in the environment.

Tina: You overlook the environmental effects of paper cups. A study done 5 years ago showed that making paper for their production burned more petroleum than was used for foam cups and used 12 times as much steam, 36 times as much electricity, and twice as much cooling water. Because paper cups weigh more, their transportation takes more energy. Paper mills produce water pollution, and when the cups decay they produce methane, a gas that contributes to harmful global warming. So they are a worse choice.

To decide the issue between Mark and Tina, it would first be most important to decide
(A) how soon each of the kinds of harm cited by Mark and Tina would be likely to be at its maximum level
(B) whether members of some societies use, on average, more disposable goods than do members of other societies
(C) whether it is necessary to seek a third alternative that has none of the negative consequences cited with respect to the two products
(D) how much of the chains of causation involved in the production, marketing, and disposal of the products should be considered in analyzing their environmental impact
(E) whether paper and foam cups, in their most popular sizes, hold the same quantities of liquid

I would say its A ....is this correc? pls post the answer.....
Director
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07 Jul 2007, 07:20
Thanks terp for the explanation...D is the answer.
07 Jul 2007, 07:20
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# Mark: Plastic-foam cups, which contain environmentally

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