Across
- 3. What holds us together in our body
- 5. Layer in time
- 7. Physical force exerted
- 8. Widespread decrease of life
- 10. Process of eroding
- 12. Studies the form of life
- 15. Beautiful shine on a hot day
- 16. Remains of an organism
Down
- 1. Turning to stone
- 2. Last period of paleozoic era
- 4. Sudden eruption
- 5. Rock formed
- 6. Action of being adapted
- 9. Group of living organisms
- 11. Long period in history
- 13. Second period of paleozoic era
- 14. Earliest period of mesozoic era