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Listening practice
/ Section Q3KT
Listen to an Academic Talk
Listen to part of a talk in a geology class.
Listen
46. Why does the speaker say that small differences are amplified?
A
To account for the acidity of the water
B
To show that the rate of dissolving can be calculated precisely
C
To argue that caves form faster than was once believed
D
To explain why cave passages are few and large rather than many and small