A study of the nature of the old sedimentary rocks gives an indication about the age of the earth pa......

A study of the nature of the old sedimentary rocks gives an indication about the

1. age of the earth
2. past environmental conditions
3. old civilizations 
4. direction of plate movements

A study of nature of the old sedimentary rocks gives an indication about its   past environmental condition.

By: Parvesh Mehta