Question

Which of the following describes the law of superposition in geology?
Responses
A The oldest rock layers are found at the top of a sequence of rock layers.The oldest rock layers are found at the top of a sequence of rock layers.
B The youngest rock layers are found at the bottom of a sequence of rock layers.The youngest rock layers are found at the bottom of a sequence of rock layers.
C In undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest at the top.In undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest at the top.
D All layers of sedimentary rock are the same age.All layers of sedimentary rock are the same age.

Answer 1

C — In undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest at the top.