Logical ReasoningDifficulty: Medium

PT135 S4 Q14 Explanation

Geographer: Because tropical storms

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsMain Conclusion

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Stimulus

Geographer: Because tropical storms require heat and moisture, they form especially over ocean surfaces of at least 26 degrees Celsius (79 degrees Fahrenheit), ocean temperatures that global warming would encourage. For this reason, many early discussions of global warming predicted that it would cause more frequent and intense tropical storms. But recent wind flow, are likely to counteract global warming's effects on tropical storm development.

What this question is testing

Main Conclusion

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
14.

Which one of the following most accurately expresses the conclusion drawn in

Answer choices

  1. Opposing Evidence1% picked this

    Tropical storms are especially likely to form over warm

    This supports the point against the argument’s main point.

  2. Unsupported18% picked this

    Contrary to early discussions, global warming is not the only factor affecting the frequency and

    This point is not made in the argument.

  3. Speculation0% picked this

    If global warming were reversed, tropical storms would be less frequent

    The argument does not discuss what would happen if global warming were reversed.

  4. Evidence7% picked this

    Instabilities in wind flow will negate the effect of global warming on the formation

    This is a premise that supports the argument’s main point.

  5. Correct74% picked this

    Global warming probably will not produce more frequent and intense

    Why this is right

    This best paraphrases the argument’s main point.

    Skill tested: Main Conclusion · how this choice captures the argument's function is the move to repeat next time.

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