Answer:
I believe it is C, please correct me if it is incorrect.
Explanation:
Some parts of the route will be mountains, rocky roads, etc. Therefore it will gradually increase.
Answer: The Law of Superposition, which states that in an undisturbed horizontal sequence of rocks, the oldest rock layers will be on the bottom, with successively younger rocks on top of these, helps geologists correlate rock layers around the world.
Explanation:
8 8 8 8 8 8 8 8 8 8 8 8 8