The correct answer is A) Layers A and B are the same age.
The correct statement is "Layers A and B are the same age."
This a term used in Geology. The principle of superposition says that the lower stratum of stratified sedimentary rock is the oldest. It serves geologists as a relative form of dating rocks. It was Nicolas Steno in 1669, the Danish scientists that first referred to the law of superposition.
