Answer:
- Faunalturbation
- Cultural disturbance
- Graviturbation
Explanation:
Things that could account for these chronologically older artifacts that are found above the younger artifacts in a stratigraphic sequence include;
- Faunalturbation which is caused by animals involved in burrowing
- Cultural disturbance
- Graviturbation which is the mixing of soil by movement of artifacts down a slope under gravity.
