Question

How eras, epochs and eons are decided in geological timescale insights?

Answer 1

the plastic scale is of 15 cm small

Answer 2

Explanation:

Some periods are divided into epochs. The International Commission on Stratigraphy is considered to be the nodal agency that decides on the eras, aeons, and epochs. In thegeological timescale, they are considered to bedecided on the basis of evidence obtained from the imprints found in the fossil records.