Ageologist finds some tilted sedimentary rock layers. which conclusions can the geologist draw by looking at the rock layers? check all that apply.

a. their absolute age is 600 million years old.

b. they were tilted after they were deposited.

c. they were originally deposited horizontally.

d. the youngest layer was originally deposited as the bottom layer.

e. their relative ages have not changed even though they are tilted.