Answer:
Principle of Superposition causes the youngest layers to be on top.
Step-by-step explanation:
- Principle of Superposition states that when two or more waves having similar intensity and characteristics, intersect each other at the same point, some displacements occur as a result.
- This displacement is equal to the sum of the displacements of both the waves.
- The stratification of sedimentary rocks is based on the same principle. Thus, when two layers of soil come in contact, the younger soil layer deposit above the older one.