Logical ReasoningDifficulty: Hard

PT108 S3 Q6 Explanation

Shortly after the power plant

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

TopicsParadox

Keep going in LSAT Lab

  • Save & drill this skill build targeted practice sets from questions like this one

  • Video walkthroughs watch every question solved step by step

  • 81 official LSATs as questions, timed sections & full-length tests

Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

Shortly after the power plant opened and began discharging its wastewater into the river, there was a decrease in the overall number of downstream from the plant.

What this question is testing

Paradox

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
6.

Each of the following, if true, could explain the decrease described

Answer choices

  1. Helps Explain2% picked this

    The discharged wastewater made the river more attractive to fish that are the natural

    There are fewer bass to be caught, because an increase in predators has depleted the bass population.

  2. Helps Explain1% picked this

    The discharged water was warmer than the normal river temperature, leading the bass to seek

    There are fewer bass to be caught, because the bass have swum upstream or far downstream to cooler water.

  3. Correct65% picked this

    Because of the new plant, access to the part of the river downstream from the plant was improved, leading to an increase in the

    Why this is right

    If there are more people fishing, we'd expect MORE bass to be caught. This doesn't explain why FEWER bass are being caught.

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

  4. Helps Explain30% picked this

    Because of the new plant, the level of noise downstream increased, making that section of the river a less popular

    There are fewer bass being caught, because there are fewer anglers fishing downstream of the plant.

  5. Helps Explain2% picked this

    The discharged wastewater created turbulence that disrupted the vegetation of the river downstream, destroying some of

    There are fewer bass to be caught, because destruction of the habitat downstream from the plant has led to a smaller population of bass in the area.

Continue the review in LSAT Lab

Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.

LSAT Lab

Turn this review into a targeted study plan.

Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.

Start practicing free