which of the following best describes the relative age of the rock in layer d?\na. it is older than the…

which of the following best describes the relative age of the rock in layer d?\na. it is older than the index fossil found in layer d.\nb. it is younger than the index fossil found in layer d.\nc. the relative age of the rock cannot be determined.\nd. it is the same age as the index fossil found in layer d.

which of the following best describes the relative age of the rock in layer d?\na. it is older than the index fossil found in layer d.\nb. it is younger than the index fossil found in layer d.\nc. the relative age of the rock cannot be determined.\nd. it is the same age as the index fossil found in layer d.

Answer

Brief Explanations:

Index fossils are used to date the rock layers they are found in. The rock layer and the index - fossils within it are of the same age as the fossils were formed at the time the rock layer was deposited.

Answer:

D. It is the same age as the index fossil found in layer D.