select the correct answer.\nin this drawing, which layer of rock is the oldest?\narmored fish\ntrilobite\ndik…

select the correct answer.\nin this drawing, which layer of rock is the oldest?\narmored fish\ntrilobite\ndike\ntrilobite\na. layer 1\nb. layer 2\nc. layer 5\nd. layer 6
Answer
Brief Explanations:
According to the principle of superposition in geology, in an undisturbed sequence of sedimentary rocks, the oldest layer is at the bottom. Here, layer 1 is at the bottom - most position among the given layers.
Answer:
A. layer 1