Fossilisation is

Options

A. Organisms destroyed by scavengers
B. Organism eaten by predators
C. Animals buried and preserved by nature process.
D. Organisms destroyed by calamities.

Answer

**Step-by-Step Solution:**

1. **Understanding Fossilization**:
- Fossilization is the process through which the remains of organisms (plants and animals) are preserved in sedimentary rocks over time.

2. **The Process of Fossilization**:
- The process begins after an organism dies.
- Once dead, the body of the organism is typically buried by soil erosion or sedimentation, often sinking into mud or being covered by other materials.

3. **Decay and Preservation**:
- After burial, the body undergoes decay. However, under certain conditions, it can be preserved by natural processes, leading to fossil formation.

4. **Evaluating the Options**:
- **Option A**: "Organisms destroyed by scavengers" - This is incorrect because scavengers consume the remains, preventing fossilization.
- **Option B**: "Organisms eaten by predators" - This is also incorrect as these organisms are not available for fossilization.
- **Option C**: "Animals buried and preserved by natural processes" - This is the correct option, as it accurately describes the fossilization process.
- **Option D**: "Organisms destroyed by calamities" - This is incorrect as well, since destruction by calamities does not lead to preservation.

5. **Conclusion**:
- The correct answer is **Option C**: "Animals buried and preserved by natural processes".