9. How may geologists correlate rock layers in different geographic regions using the theory of faunal succession? a) It states that the unique set of fossils found in distinct layers of rock strata at different sites can be connected. b) It claims that fossils in rock strata are typically homogeneous, so rock layers in different parts of an area should display similar fossils. c) It argues that rock strata fossils are older than rock layers, allowing geologists to connect younger and older layers throughout a region. d) It states that the evolution of fossils in one region should correspond to fossils in another region across various rock strata.​