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Identify why the author included the referenced detail at that point in the passage — its function, not its content.
Answers that merely repeat or summarize the topic of the detail instead of describing the role it plays.
Ask what job the detail does for the paragraph, then for the passage's broader point.
The author introduces the example of a faucet in the second paragraph primarily in order to
demonstrate how a similar cause
Opposite: this answer describes a linear system
2% picked this
illustrate how small changes in
Why this is right
Answer B is correct.
Skill tested: Local Purpose · how this choice captures the passage's function is the move to repeat next time.
89% picked this
provide an example of a
Opposite: this answer describes a linear system
3% picked this
explain why a system cannot
Contradicted: systems can be both (see P3)
5% picked this
remove an obstacle to prediction
Unrelated to Goal: not what our faucet example exemplifies
0% picked this
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