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# In the years since the city of London imposed strict

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Senior Manager
Joined: 19 Feb 2007
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In the years since the city of London imposed strict [#permalink]

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15 May 2007, 05:22
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In the years since the city of London imposed strict air-pollution regulations on local industry, the number of bird species seen in and around London has increased dramatically. Similar air-pollution rules should be imposed in other major cities.

Each of the following is an assumption made in the argument above EXCEPT:
(A) In most major cities, air-pollution problems are caused almost entirely by local industry.
(B) Air-pollution regulations on industry have a significant impact on the quality of the air.
(C) The air-pollution problems of other major cities are basically similar to those once suffered by London.
(D) An increase in the number of bird species in and around a city is desirable.
(E) The increased sightings of bird species in and around London reflect an actual increase in the number of species in the area.

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15 May 2007, 08:30
this is a tough one. A?

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15 May 2007, 09:54
That was my guess too. A?

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Director
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15 May 2007, 11:00
Agree with A.

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15 May 2007, 11:17
In the years since the city of London imposed strict air-pollution regulations on local industry, the number of bird species seen in and around London has increased dramatically. Similar air-pollution rules should be imposed in other major cities.

Each of the following is an assumption made in the argument above EXCEPT:
(A) In most major cities, air-pollution problems are caused almost entirely by local industry.
(B) Air-pollution regulations on industry have a significant impact on the quality of the air.
(C) The air-pollution problems of other major cities are basically similar to those once suffered by London.
(D) An increase in the number of bird species in and around a city is desirable.
(E) The increased sightings of bird species in and around London reflect an actual increase in the number of species in the area.

C - nowhere can one find any mention of any other problem, except for the implied air quality problem.
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15 May 2007, 11:27
This is a hard one. I think D?

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16 May 2007, 02:09
nbooky wrote:
This is a hard one. I think D?

agree with nbooky, because the birds are a consequence of the decrease of air pollution. It is primary the decrease of pollution that is desired, the birds are a positive effect. I go for (D), what is OA?

cheers!

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16 May 2007, 11:14
I will go with E .What is the OA?

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16 May 2007, 11:21
Hey all!
I was wavering between A and B and chose B here
I wonder what is OA

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16 May 2007, 11:47
I think it is D

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17 May 2007, 10:01
Its A...tough one though.

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Re: CR- Pollution [#permalink]

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17 May 2007, 12:54
sidbidus wrote:
In the years since the city of London imposed strict air-pollution regulations on local industry, the number of bird species seen in and around London has increased dramatically. Similar air-pollution rules should be imposed in other major cities.

Each of the following is an assumption made in the argument above EXCEPT:
(A) In most major cities, air-pollution problems are caused almost entirely by local industry.
(B) Air-pollution regulations on industry have a significant impact on the quality of the air.
(C) The air-pollution problems of other major cities are basically similar to those once suffered by London.
(D) An increase in the number of bird species in and around a city is desirable.
(E) The increased sightings of bird species in and around London reflect an actual increase in the number of species in the area.

D

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17 May 2007, 14:06
Im goin with A. D also caught my eye too, but it doesnt seemt to convey what is really important here which is pollution control... I think... wuts OA????

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17 May 2007, 19:20
Quote:
(A) In most major cities, air-pollution problems are caused almost entirely by local industry.

While it does seem probable, this is NOT an assumption required for the argument to be valid. Air-Pollution problems in major cities could be caused only partially by industry. We don't know that local industry is the main cause for air-pollution.

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17 May 2007, 22:34
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my choice is A.

(A) In most major cities, air-pollution problems are caused almost entirely by local industry

Because of entirely [/b], we can say that this is not an assumption. At no point the statement says that local industry problem is the ONLY cause of air pollution

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Re: CR- Pollution [#permalink]

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21 May 2007, 14:36
Pls post the OA

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21 May 2007, 14:44
i'm going with D as well

i searched on google for OA and got to this link but the link is confusing, don't know if QA is 'A' or 'D'

xxx.urch.c0m/forums/gmat-reading-comprehension/62169-london-air-pollution.html

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21 May 2007, 14:45
msingh wrote:
my choice is A.

(A) In most major cities, air-pollution problems are caused almost entirely by local industry

Because of entirely [/b], we can say that this is not an assumption. At no point the statement says that local industry problem is the ONLY cause of air pollution

it says 'almost' entirely....so it's not saying that only local industry is cause of this problem

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21 May 2007, 23:43
D should be the answer.
A can't be the correct answer because,
on the assumption that air-pollution problems are caused almost by local industry, legislation on local industry had been put in.

msingh wrote:
my choice is A.

(A) In most major cities, air-pollution problems are caused almost entirely by local industry

Because of entirely [/b], we can say that this is not an assumption. At no point the statement says that local industry problem is the ONLY cause of air pollution

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Senior Manager
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22 May 2007, 00:22
Guys sorry for the late reply.

OA -> A

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22 May 2007, 00:22

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# In the years since the city of London imposed strict

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