Answer:
Explanation:
1 The fault is younger than layer A because rock layers are always older than the faults they contain. How could a geologist use the fossil in rock layer B to date a rock layer in another location? ... Geologists can use index fossils to match rock layers at locations that are far apart.
5 h
6 b
9 f
12 g
11 a
7 e
8 c
10 d
