PrepTest 132, Section 1, Question 6
To study centuries-old earthquakes and the geologic faults(444 more words not shown)
It can be inferred that(25 more words not shown)
- AWhile lichenometry is(28 more words not shown)
- BThere is no(14 more words not shown)
- CLichens are able(14 more words not shown)
- DThe mountain ranges(23 more words not shown)
- EThe extent to(17 more words not shown)
Reading the passage
Bull and Brandon say we need careful site selection and calibrated growth rates. Shade and wind matter because they can speed growth up. Their proposal isn't one size fits all: we have to account for the conditions affecting a colony. We're looking for an assumption behind that advice.
Working the answers
- A
Their advice doesn't require lichenometry to outperform every other method for events older than 500 years. That broad comparison isn't made.
- B
Whether current radiation can be measured reliably doesn't determine whether we can adjust for conditions affecting lichens.
- C
The method uses rocks in mountain settings, but it doesn't require that lichens be incapable of growing on other types of rocks.
- D
No comparison of snowfall or avalanche frequency between mountain ranges is needed. The relevant point is whether disturbances affect the selected site.
- ECorrect
To account for shade and wind, researchers must be able to determine how those conditions have affected the existing lichens' growth. This supplies the assumption behind the proposed adjustment.
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