Question

the image shows sedimentary rock layers with index fossils and a fault. which statement accurately describes the rock layers? layer 8 is older than layer 1. layer 3 is younger than layer 6. layer 4 and layer 10 are the same relative age. layer 2 and layer 9 are the same relative age.

Explanation:

In sedimentary rock layers, layers with the same index - fossils are of the same relative age. Layers 2 and 9 have the same type of shell - shaped index fossil, indicating they are of the same relative age.

Answer:

Layer 2 and layer 9 are the same relative age.