LSAT 114 – Section 1 – Question 20

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Question
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Type Tags Answer
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Curve Question
Difficulty
Psg/Game/S
Difficulty
Explanation
PT114 S1 Q20
+LR
Most strongly supported +MSS
Conditional Reasoning +CondR
Causal Reasoning +CausR
A
8%
157
B
13%
159
C
46%
166
D
7%
158
E
26%
159
154
164
174
+Hardest 144.005 +SubsectionEasier

Sociologist: Climate and geology determine where human industry can be established. Drastic shifts in climate always result in migrations, and migrations bring about the intermingling of ideas necessary for rapid advances in civilization.

Summary

The location of human industry is a product of climate and geology. Large changes in climate always result in migrations. Migrations cause intermingling of ideas. The intermingling of ideas is necessary for rapid advances in civilization.

Strongly Supported Conclusions

If there is no intermingling of ideas, then the climate is not changing drastically. If there are no migrations, then there are no drastic changes in the climate.

A
Climate is the primary cause of migration.

This is unsupported because although climate changes are sufficient to produce migration, they may not be the only condition sufficient to produce migration.

B
All shifts in climate produce a net gain in human progress.

This is unsupported because while shifts in the climate will lead to an intermingling of ideas, we don’t know if these are net positive for human progress. Also, these ideas are necessary but not sufficient for advances in civilization.

C
A population remains settled only where the climate is fairly stable.

This is strongly supported because the author states that large changes in the climate always result in migrations. The contrapositive says that if there are no migrations (the population is settled) then the climate is not largely changing (the climate is fairly stable).

D
Populations settle in every place where human industry can be established.

This is unsupported because it is possible that human industry can be established in places where there is an intermingling of ideas as a result of migration.

E
Every migration is accompanied by rapid advances in civilization.

This is unsupported because while we know that migrations lead to intermingling of ideas, the intermingling of ideas is a necessary, not sufficient, condition for bringing about advances in civilization.

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