List the names of the rock layers in the order in which they were formed. Oldest Youngest

List the names of the rock layers in the order in which they were formed.

Which rock layer is the oldest?

Write the numbers from each rock layer in the order in which they occurred from oldest to youngest.

, , 8. Which is the youngest event? (a) The intrusion of rock layers (b) The formation of rock layers

Which statement explaining the age of the rock layers best supports the answer to Part A?​   ARock layers that contain fossils are always the oldest rock layers and can be used to determine the ages of rock layers above them.BGeologic events like earthquakes can erase rock layers from the geologic timescale and make it difficult to know the ages of different rock layers.COlder rock layers will always be directly below younger rock layers unless they have been disturbed by geologic activity.DRock layers that are the thickest are the oldest because they represent a longer span of time in which the rock layer was formed