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Since pollution-causing human activities can cause an

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Re: CR - 700 level - global temperature [#permalink] New post 08 Sep 2011, 08:45
Me too +1 for A
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Re: CR - 700 level - global temperature [#permalink] New post 05 Oct 2011, 01:03
Thanks for this!!

crick20002002 wrote:
bschool83 wrote:
Since pollution-causing human activities can cause an increase in average global temperatures, the mild winters in the area could be a result of the high concentration of vehicle exhaust emitted in the region. However, some scientists argue that the mild winters are a result of the increased rate of conversion of commercial areas to industrial areas.

Which of the following, if true, strengthens the scientists' argument?

Although commercial property areas tend to emit significantly less pollution than industrial areas, they still emit more than the vehicles in the area on a given day.
Most of the people who work in commercial areas drive to work each day.
New strict laws in the area require buildings in the industrial areas to reduce their emissions by 60% in the next 5 years.
Vehicle exhaust is comprised largely of carbon monoxide, the same pollutant emitted by the industrial areas.
In response to consumer demand, exhaust levels per vehicle have steadily decreased in recent years.


I will go with A here.

Scientists' Argument: Mild temperatures were caused by replacement of commercial areas with industrial areas

According to A,

Vehicle pollution < Commercial Pollution < Industrial Pollution =>

From scientists' argument, Industrial activity is increasing. Hence the industrial pollution has a greater effect on the temperature.

Crick

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Re: CR - 700 level - global temperature [#permalink] New post 05 Oct 2011, 06:38
A
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Re: CR - 700 level - global temperature [#permalink] New post 18 Oct 2011, 04:32
A
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Re: CR - 700 level - global temperature [#permalink] New post 18 Oct 2011, 09:17
bschool83 wrote:
Since pollution-causing human activities can cause an increase in average global temperatures, the mild winters in the area could be a result of the high concentration of vehicle exhaust emitted in the region. However, some scientists argue that the mild winters are a result of the increased rate of conversion of commercial areas to industrial areas.

Which of the following, if true, strengthens the scientists' argument?

A) Although commercial property areas tend to emit significantly less pollution than industrial areas, they still emit more than the vehicles in the area on a given day.
B) Most of the people who work in commercial areas drive to work each day.
C) New strict laws in the area require buildings in the industrial areas to reduce their emissions by 60% in the next 5 years.
D) Vehicle exhaust is comprised largely of carbon monoxide, the same pollutant emitted by the industrial areas.
E) In response to consumer demand, exhaust levels per vehicle have steadily decreased in recent years.



I don't agree with others that A is the answer. Or lets say the sole answer.

A - vehicles < commercial < industrial
Ok, this does imply that industrial pollutants are more than vehicles. But, it wouldn't support the fact of the conversion of the properties. Also, it talks about pollution, not exhaust.

D - talks about exhaust, but yes, doesn't talk about the amount of pollution created.

So, could it be that correct answer is A and D?

If I have to choose just one option, I 'll go with D.
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Re: CR - 700 level - global temperature [#permalink] New post 18 Oct 2011, 10:05
B) Most of the people who work in commercial areas drive to work each day. - to some extent weakens the conclusion
C) New strict laws in the area require buildings in the industrial areas to reduce their emissions by 60% in the next 5 years. - Irrelevant
D) Vehicle exhaust is comprised largely of carbon monoxide, the same pollutant emitted by the industrial areas. Out of scope
E) In response to consumer demand, exhaust levels per vehicle have steadily decreased in recent years. The reduced level can emit more pollution than the industrial areas.
A) Although commercial property areas tend to emit significantly less pollution than industrial areas, they still emit more than the vehicles in the area on a given day. This clearly states that the pollution from commercial property is more than that of the vehicles and thus strengthens the conclusion
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Re: CR - 700 level - global temperature [#permalink] New post 19 Oct 2011, 12:22
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Re: CR - 700 level - global temperature [#permalink] New post 19 Oct 2011, 20:21
+1 for A
Re: CR - 700 level - global temperature   [#permalink] 19 Oct 2011, 20:21
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