Across
- 2. of Cross Cutting Relationships
- 4. replacement
- 6. decay
- 8. of Superposition
- 9. time scale
- 10. fossil
Down
- 1. dating
- 3. fossil
- 5. the words below, create a completed crossword puzzle with clues that are up to five words long.
- 6. age
- 7. dating