Logical Reasoning

PT134 · S3 · Q3 Engine Noise from boats

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Engine noise from boats traveling through killer whales’ habitats ranges in frequency from 100 hertz to 3,000 hertz, an acoustical range that overlaps that in which the whales communicate through screams and squeals.

Given

Engine noise from boats traveling through killer whales’ habitats ranges in frequency from 100 hertz to 3,000 hertz, an acoustical range that overlaps that in which the whales communicate through screams and squeals.

Though killer whales do not seem to behave differently around running boat engines, engine noise from boats can be loud

3.

Which one of the following most logically completes the argument?

  1. younger killer whales are better

    Contradiction

    If engine noise damages whales’ hearing over time, it’s more likely that older whales would be more able to tolerate engine noise, since they would be less likely to hear it in the first place.

    2% picked this

  2. killer whales are less likely

    Out of Scope

    When killer whales attempt to communicate is not discussed in the statements.

    2% picked this

  3. Correct

    noise from boat engines may

    Why this is right

    Since engine noise from boats can damage killer whales’ hearing, it may impair their ability to communicate.

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

    94% picked this

  4. killer whales are most likely

    Out of Scope

    The areas preferred by killer whales is not discussed in the statements.

    1% picked this

  5. killer whales would probably be

    Out of Scope

    How successful whales would be in finding food is not discussed in the statements.

    0% picked this

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