Question

Shifts in the rock layer locations cannot account for gaps in the rock record

Answer 1

that statement is false

Shift in the rock layer locations should count the gaps, which separate the
the layers location

The appearance of in fact is very common in many regions

Answer 2

The statement that shifts in the rock layer locations cannot account for gaps in the rock record is false. In contrast, shifts in the rock layer locations should account for gaps in the rock record.

Any gap in age of rock between rock layers is called an uncomformity. It is the contact between two layers representing a gap in the geologic record, usually from the erosion of the layers which would normally be expected to appear.