One variety of partially biodegradable plastic bever- : GMAT Critical Reasoning (CR)
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One variety of partially biodegradable plastic bever-

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Senior Manager
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15 Jun 2004, 10:55
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One variety of partially biodegradable plastic bever-
age container is manufactured from small bits of
plastic bound together by a degradable bonding agent
such as cornstarch. Since only the bonding agent
degrades, leaving the small bits of plastic, no less
plastic refuse per container is produced when such
containers are discarded than when comparable

Which of the following, if true, most strengthens the
argument above?
able plastic beverage containers can be crushed
completely flat by refuse compactors.
(B) The partially biodegradable plastic beverage
containers are made with more plastic than
comparable nonbiodegradable ones in order to
compensate for the weakening effect of the
bounding agents.
(C) Many consumers are ecology-minded and prefer
to buy a product sold in the partially biode-
gradable plastic beverage containers rather than
in nonbiodegradable containers, even if the
price is higher.
(D) The manufacturing process for the partially bio-
in less plastic waste than the manufacturing
containers.
(E) Technological problems with recycling currently
prevent the reuse as food or beverage containers
of the plastic from either type of plastic bev-
erage container.
If you have any questions
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Senior Manager
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15 Jun 2004, 11:35
reasoning??............thanks!!
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15 Jun 2004, 11:53
The passage claims that partially biodegradable plastic containers produce about as much plastic waste as do non-biodegradable plastic containers. (B) strengthens the argument because it says that it actually takes more plastic to produce non-biodegradable containers than it does to produce partially biodegradable containers, thus making for more plastic refuse.
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15 Jun 2004, 11:56
I also think it should be B.

A. Unnecessary detail, it doesn't help us any to know that the containers are crushed flat. This process does not make them any more degradable.

C. Out of scope, talks about what consumers prefer to buy. This information doesn't help to ascertain which kind of plastic is more degradable.

D. Out of scope. The passage does not talk about the manufacturing process. The passage talks about the material, plastic, which is either biodegradable or not. The fact that there's less waste of biodegradable plastic, doesn't help to establish how much plastic is not degraded when a biodegradable container is used and discarded by a consumer in comparison to its non-biodegradable counterpart.

E. Once again, out of scope. We're not interested in recycling, or technological difficulties of recyclying that prevent smth. We're interested in degrading the plastic.

Hence B

Hope I'm right.
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15 Jun 2004, 14:30
clearly the answer is B (others are out of scope or prove the opposite)
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15 Jun 2004, 23:43
One variety of partially biodegradable plastic bever-
age container is manufactured from small bits of
plastic bound together by a degradable bonding agent
such as cornstarch. Since only the bonding agent
degrades, leaving the small bits of plastic, no less
plastic refuse per container is produced when such
containers are discarded than when comparable

Which of the following, if true, most strengthens the
argument above?
able plastic beverage containers can be crushed
completely flat by refuse compactors.
(B) The partially biodegradable plastic beverage
containers are made with more plastic than
comparable nonbiodegradable ones in order to
compensate for the weakening effect of the
bounding agents.
(C) Many consumers are ecology-minded and prefer
to buy a product sold in the partially biode-
gradable plastic beverage containers rather than
in nonbiodegradable containers, even if the
price is higher.
(D) The manufacturing process for the partially bio-
in less plastic waste than the manufacturing
containers.
(E) Technological problems with recycling currently
prevent the reuse as food or beverage containers
of the plastic from either type of plastic bev-
erage container.

I would also support B

By the POE
A dosent not strengthen the argument (gives us information which is unrelated)
C this also dosent strengthen the arugument this can be eliminated
D This weakens the argument
E unrelated information '
15 Jun 2004, 23:43
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