The Law of Superposition helps scientists to A. determine the age of layers of rock. B. learn more about how sedimentary rock is formed. C. learn more about how fossils are formed. D. decipher the different types of sedimentary rock.
Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults