Answer:
Option (3)
Explanation:
Stratigraphy is the branch of geology that deals with the study of the rocks and the layers of rock present in any area. It also enables a geologist to understand the origin of the rock, its composition, its distribution, and how the rocks are deposited in layers or forming a sequence.
It also helps in the correlation of rocks. correlation is defined as a process by which the rocks found at two different places can be related.
Thus, the correct answer is option (3).
