which one of the fossils existed first? 1 2 3 4
which one of the fossils existed first? 1 2 3 4
Answer
Brief Explanations:
In geology, the principle of superposition states that in undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest are at the top. Fossils in lower - lying layers are generally older than those in higher layers. Here, layer 4 is the deepest layer among the ones with fossils.
Answer:
4