PT124.S1.Q15 > Question

SECTION 1 · lr

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SECTION 2 · lr

SECTION 3 · lr

SECTION 4 · rc

PASSAGE 1

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PASSAGE 2

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PASSAGE 3

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PASSAGE 4

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The author concludes that limestone (alkaline) will make soil with dead plants on it (acidic) more attractive to earthworms, because earthworms prefer a neutral pH.

We don’t know that limestone will have the desired effect. There are many ways that this assumption could take form, but generally, we need to know that there isn’t some unknown factor that would prevent the limestone from making the soil less acidic.

Irrelevant. The argument isn’t about what functions an earthworm performs or which is most important, it’s about whether limestone will make the soil more attractive to them.

This needs to be true for the author’s argument. If negated, then the limestone isn’t given enough time to make the soil less acidic, and the conclusion that the earthworms will like the soil more after using limestone doesn’t make sense.

This would support a conclusion that the limestone contributes to healthy soil, but the argument is about whether limestone would make acidic soil more attractive to earthworms.

Irrelevant. We don’t need to know anything about the relationship (or lack thereof) between soil acidity and how quickly plants decompose.

We don’t need information about how beneficial earthworms are to any kind of soil. The argument is that limestone would make acidic soil more attractive to earthworms.

PrepTest 124 - Section 1 - Question 15

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