Who was the individual whose three principles led to a better understanding of the

relationships between sedimentary rock layers?

Nicholas Steno

Carl Gilbert

Stephen Calvert

Willard Libby

Nicholas Steno

Explanation:

Nicholas Steno who was a Catholic priest establish relationship between sedimentary rock layers otherwise called stratigraphy.

Stratigraphy is a branch of geology that deals with the study of rock layers. He established theoretical law of stratigraphy by introducing law of superimposition, principle of original horizontality and the principle of lateral continuity in 1669 work of fossilization of organic matter sediments.