LSAT 138 – Section 3 – Question 04

LSAT 138 - Section 3 - Question 04

December 2012

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT138 S3 Q04
+LR
Inference +Inf
Causal Reasoning +CausR
A
5%
160
B
1%
152
C
5%
158
D
3%
157
E
86%
165
130
142
154
 +Medium 147.528 +SubsectionMedium

Over the last few decades, public outcries against pollution have brought about stricter regulations of emissions. The cities that had the most polluted air 30 years ago now have greatly improved air quality. This would not have happened without these stricter regulations.

Summary
Over the last few decades, public outcries against pollution caused stricter emissions regulations.
These regulations caused greatly improved air quality in the cities that had the most polluted air 30 years ago.

Very Strongly Supported Conclusions
Public outcries contributed to greatly improved air quality in the cities that had the most polluted air 30 years ago.

A
In the city with the worst air pollution today, the air quality is better than it was 30 years ago.
Unsupported. We only know that the air quality is better in the cities that had the most polluted air 30 years ago. We don’t know anything about the city with the worst air pollution today.
B
No city has worse air pollution today than it did 30 years ago.
Unsupported. We only know that the air quality is better in the cities that had the most polluted air 30 years ago. There might be some other cities in which air quality has gotten worse.
C
Most of the public outcries against pollution came from people in the cities that had the most polluted air.
Unsupported. The cities that had the most polluted air greatly improved, but this doesn’t necessarily mean that most of the public outcries came from people in those cities.
D
The most polluted cities today are not the cities that were the most polluted 30 years ago.
Unsupported. The air quality is better in the cities that were the most polluted 30 years ago, but these cities could still be the most polluted cities today.
E
Public criticism led to an improvement in the air quality of the cities that had the most polluted air 30 years ago.
Very strongly supported. Public criticism led to stricter emissions regulations, and those regulations led to improved air quality in cities that had the most polluted air 30 years ago. So, public criticism led to this improvement.

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LSAT PrepTest 138 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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