Which statement summarizes the law of superposition? A. The oldest rock is found in the bottom layer of a rock formation. B. The rarest elements are found in the lowest layer of a rock formation. O C. The densest layer of rock in a rock formation is the bottom layer. D. The top layer of rock in a rock formation is the oldest. SUBMIT e

A superposition says that the newest rocks are nearer to the surface and oldest are near the bottom

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.