Across
- 3. methods
- 6. It has multiple layers in the ground
- 8. Determining that age of remains using
- 9. It is a piece of rock that cuts into a existing layer of earth
- 10. Definite age of something
Down
- 1. Placement of one things on top of another, determines what rock is older then the other
- 2. An objects age in comparison to another without knowing the actual age
- 4. It is material what is trapped inside of a mineral
- 5. A remain of something that is now cast into a rock
- 7. It is determining if one rock is older or younger than another without knowing it's actual age