pretest: unit 10 trilobites are extinct marine invertebrates. scientists found a trilobite fossil in layer…

pretest: unit 10 trilobites are extinct marine invertebrates. scientists found a trilobite fossil in layer 5, shown here. fossils in which layer are likely to be slightly older than this trilobite fossil? a. 7 b. 13 c. 4 d. 6

pretest: unit 10 trilobites are extinct marine invertebrates. scientists found a trilobite fossil in layer 5, shown here. fossils in which layer are likely to be slightly older than this trilobite fossil? a. 7 b. 13 c. 4 d. 6

Answer

Brief Explanations:

According to the principle of superposition in geology, in undisturbed sedimentary rock layers, the lower layers are older. Since we want a layer slightly older than layer 5, layer 4 is the correct choice as it is directly below layer 5.

Answer:

C. 4