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# Older United States automobiles have been identified as

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Senior Manager
Joined: 16 Sep 2006
Posts: 406
Older United States automobiles have been identified as [#permalink]

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16 Nov 2006, 05:06
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8. Older United States automobiles have been identified as contributing disproportionately to global air pollution. The requirement in many jurisdictions that automobiles pass emission-control inspections has had the effect of taking many such automobiles out of service in the United States, as they fail inspection and their owners opt to buy newer automobiles. Thus the burden of pollution such older United States automobiles contribute to the global atmosphere will be gradually reduced over the next decade.
Which one of the following, if true, most seriously weakens the argument?
(A) It is impossible to separate the air of one country or jurisdiction from that of others.
(B) When automobiles that are now new become older, they will, because of a design change, cause less air pollution than older automobiles do now.
(C) There is a thriving market for used older Untied States automobiles that are exported to regions that have no emission-control regulations.
(D) The number of jurisdictions in the United States requiring automobiles to pass emission-control inspections is no longer increasing.
(E) Even if all the older automobiles in the United States were retired from service, air pollution from United States automobiles could still increase if the total number of automobiles in use should increase significantly.
VP
Joined: 21 Aug 2006
Posts: 1016
Re: CR-Older United States automobiles [#permalink]

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16 Nov 2006, 06:47
jyotsnasarabu wrote:
8. Older United States automobiles have been identified as contributing disproportionately to global air pollution. The requirement in many jurisdictions that automobiles pass emission-control inspections has had the effect of taking many such automobiles out of service in the United States, as they fail inspection and their owners opt to buy newer automobiles. Thus the burden of pollution such older United
States automobiles contribute to the global atmosphere will be gradually reduced over the next decade.
Which one of the following, if true, most seriously weakens the argument?
(A) It is impossible to separate the air of one country or jurisdiction from that of others.
(B) When automobiles that are now new become older, they will, because of a design change, cause less air pollution than older automobiles do now.
(C) There is a thriving market for used older Untied States automobiles that are exported to regions that have no emission-control regulations.

C is my answer. Model Ts of US will be Mercedes Benzs of third world..
so pollution by old US automobiles will go unabated.

(D) The number of jurisdictions in the United States requiring automobiles to pass emission-control inspections is no longer increasing.
(E) Even if all the older automobiles in the United States were retired from service, air pollution from United States automobiles could still increase if the total number of automobiles in use should increase significantly.

_________________

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the way is difficult, but perfect trust makes it easy.

Manager
Joined: 26 Oct 2006
Posts: 175
Location: uk

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16 Nov 2006, 07:22
I also go for C
Director
Joined: 17 Jul 2006
Posts: 706

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16 Nov 2006, 07:57
Yep C is the winner
Senior Manager
Joined: 17 Oct 2006
Posts: 433

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16 Nov 2006, 13:09
C...
16 Nov 2006, 13:09
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