What Would Fossil Ages from the Geologic Timescale Tell Us

Multiple Choice

What would fossil ages from the geologic timescale tell us about the age of this unconformity?

A) The unconformity is younger than the fossil ages on the tilted bed.
B) The unconformity is older than the fossil ages in layers above the unconformity.
C) The amount of time represented by the unconformity can be approximately bracketed by the ages of the fossils above and below.
D) All of these.