What is the significance of an unconformity?
a. An unconformity can sometimes negate one or more geologic principles.
b. An unconformity represents an interval of time that is missing from the rock record.
c. The creation of an unconformity favors the deposition and lithification of rock layers.
d. An unconformity shows a more detailed history for a particular interval of time in the rock record.
e. An unconformity is a series of rock layers that is completely uninterrupted.
Answer: b. An unconformity represents an interval of time that is missing from the rock record.
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