which layer would have the oldest fossils? a layer n b layer m c layer o

which layer would have the oldest fossils? a layer n b layer m c layer o
Answer
Brief Explanations:
In geology, the principle of superposition states that in an undisturbed sequence of sedimentary rocks, the oldest layers are at the bottom. Here, layer O is at the bottom compared to layer N. There is no layer M shown in the diagram, but based on the super - position principle among the given layers N and O, layer O is the oldest.
Answer:
C. Layer O