A fern dies and is buried beneath many layers of mud, sand, and/or soil. Many years pass, and the mud, sand, and/or soil harden
and turn to rock. Years of erosion erode the top layers of rock away. Eventually, the fossil, which is in the same shape as the fern, appears on the top. A. Amber
B. Mold
C. Cast
D. Imprint
E. Petrified
