Question

Which rock layers are most likely the same age according to the ideas of William Smith?
Responses

layers with different fossils
layers with different fossils

layers of equal density
layers of equal density

layers made of the same chemicals
layers made of the same chemicals

layers with similar fossils

Answer 1

According to the ideas of William Smith, the rock layers that are most likely the same age are **layers with similar fossils**. Smith is known for developing the principle of faunal succession, which states that different layers of rock contain unique fossil assemblages that can be used to identify and correlate the ages of rock layers across different regions.