Explanation: its asking youngest to oldest, use the law of super position, layer c would be the oldest and layer B would be the youngest,
definition of the law of super position- Law of superposition, a major principle of stratigraphy stating that within a sequence of layers of sedimentary rock, the oldest layer is at the base and that the layers are progressively younger with ascending order in the sequence. ... It is one of the great general principles of geology.
