LSAT 110 – Section 2 – Question 25

LSAT 110 - Section 2 - Question 25

June 2001

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT110 S2 Q25
+LR
Weaken +Weak
Causal Reasoning +CausR
Net Effect +NetEff
A
17%
163
B
9%
163
C
64%
168
D
10%
162
E
1%
154
151
161
171
 +Hardest 145.606 +SubsectionMedium

Kevin’s explanation

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Although wood-burning stoves are more efficient than open fireplaces, they are also more dangerous. The smoke that wood-burning stoves release up the chimney is cooler than the smoke from an open flame. Thus it travels more slowly and deposits more creosote, a flammable substance that can clog a chimney—or worse, ignite inside it.

Summarize Argument
The author concludes that wood-burning stoves are more dangerous than open fireplaces. This is because the smoke that wood-burning stoves release up the chimney is cooler than open fireplace smoke, which means that it deposits more creosote. The creosote can clog a chimney or ignite.

Notable Assumptions
The author assumes that there are no other dangerous features of an open fireplace that could outweigh the danger posed by the greater amounts of creosote from wood-burning stoves. The author also assumes that cooler smoke travels more slowly and deposits more creosote.

A
The most efficient wood-burning stoves produce less creosote than do many open fireplaces.
The author’s conclusion is just about wood-burning stoves in general compared to open fireplaces. In addition, the stimulus says wood-burning stoves deposit more creosote. It’s about the amount deposited, which might be different from the amount produced.
B
The amount of creosote produced depends not only on the type of flame but on how often the stove or fireplace is used.
Frequency of use may be a factor, but we have no reason to think open fireplaces are inherently used more frequently than wood-burning stoves.
C
Open fireplaces pose more risk of severe accidents inside the home than do wood-burning stoves.
This is a factor that could outweigh the danger posed by creosote. If open fireplaces are more likely than wood-burning stoves to lead to severe accidents in the home, this could make open fireplaces equally or more dangerous overall, despite depositing less creosote.
D
Open fireplaces also produce a large amount of creosote residue.
The stimulus told us that wood-burning stoves deposit more creosote. So, even if open fireplaces produce a lot, the stoves deposit more.
E
Homeowners in warm climates rarely use fireplaces or wood-burning stoves.
The argument concerns what kind of fire source is more dangerous. Whether homeowners ever actually use those sources doesn’t impact whether one would be more dangerous than the other.

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LSAT PrepTest 110 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Reading Comprehension

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