LSAT 151 – Section 3 – Question 08

LSAT 151 - Section 3 - Question 08

September 2018

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT151 S3 Q08
+LR
Resolve reconcile or explain +RRE
Causal Reasoning +CausR
A
90%
162
B
2%
151
C
6%
154
D
0%
150
E
2%
147
133
141
149
 +Easier 146.292 +SubsectionMedium

Winds, the movement of gases in the atmosphere of a planet, are ultimately due to differences in atmospheric temperature. Winds on Earth are the result of heat from the Sun, but the Sun is much too far away from Jupiter to have any significant impact on the temperature of Jupiter’s atmosphere. Nevertheless, on Jupiter winds reach speeds many times those of winds found on Earth.

"Surprising" Phenomenon
Winds on Earth are the result of heat from the Sun, yet winds on Jupiter are significantly stronger despite not being caused by the Sun.

Objective
The right answer will be a hypothesis that explains how winds on Jupiter are generated, and why those are stronger than winds on Earth. The hypothesis must show that winds can be caused by something other than the Sun’s heat.

A
Unlike Earth, Jupiter’s atmosphere is warmed by the planet’s internal heat source.
Rather than the Sun’s heat, Jupiter’s wind is caused by the planet’s internal heat source. This internal heat source could certainly have a stronger effect on Jupiter’s atmosphere than the Sun does on Earth’s atmosphere. Thus, Jupiter has stronger winds than Earth.
B
Jupiter’s atmosphere is composed of several gases that are found in Earth’s atmosphere only in trace amounts.
We don’t know enough about these gases for this to explain the surprise in the stimulus. We need to know how these gases are moved around by difference in atmospheric pressure, which on Earth is caused by the Sun.
C
Gaseous planets such as Jupiter sometimes have stronger winds than do rocky planets such as Earth.
We already know Jupiter has stronger winds than Earth does. We need to know how that’s possible, given that the Sun can’t cause winds on Jupiter like it does on Earth.
D
There are more planets that have winds stronger than Earth’s than there are planets that have winds weaker than Earth’s.
This doesn’t tell us how Jupiter’s winds are generated. It doesn’t matter how many planets in the universe have stronger winds than Earth.
E
Planets even farther from the Sun than Jupiter are known to have atmospheric winds.
This doesn’t explain how winds are generated on Jupiter or planets further from the Sun, which is what we need to explain the surprise in the stimulus.

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LSAT PrepTest 151 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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