What is the importance of stratification to civil engineering? state 5 importance of stratification

Importance of stratification to Civil engineering are as follows:
- Provide an understanding of the nature of the ground
- Ensure properly structured site investigation
- Ease for assessing the permeability of composite soil
- To be able to know physical characteristics of soil/rock underlying the site
- Assess mechanical properties (i.e. strength, compressibility, etc.) of different rock strata

They are both unlikely.  certain would be 100%, likely would be anywhere above 50%, and unlikely would be under 50%can i have brainliest, ?

Answerpeople,vehicles,roadways.;