Answer:
The farther down a layer with a fossil in it the farther back in earths history that organism lived.
Explanation:
Answer:
Layer T is older than 110 million years, and Layers R, X, and G are younger than 110 million years.
Explanation:
Because the principle of superposisiton states that younger layers of rock will be closer to the surface while older layers of rocks will be father to the surface therefore older