Fossils :D

This fossil is a mold and cast fossil.

This Fossil is a mold and cast fossil.

Relative Dating

3 Intrusion: that cut through all the layers
1 Strata: is on the top
6 Strata: is the 2nd to top
2 Intrusion: cut through layers 5 and 4
5 Strata: if put right side up it would be 3rd to top
4 Strata: if put right side up it would be 5th to top