premise: The principle of superposition states that in an undisturbed stack of sedimentary strata the oldest layer is at the base and the youngest at the top.
hypothesis: The law of superposition is best described by: in undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
hypothesis_graph_structure: The law of superposition<>is best described<>by: in undisturbed layers of sedimentary rock, the lowest layers contain the older rocks$$$the lowest layers<>contain<>the older rocks<>in undisturbed layers of sedimentary rock