Geologic time periods are divided into segments based on two pieces of info. Describe them and be specific. Also I thank anyone who answers the question it helps even if its night quite right!

The geologic time scale is divided based on the major changes in the earth’s surface and climate, and the other thing that divides them is the extinction of species. The appearance and disappearance of fossils also help influence this division.

Explanation:

answer; the cubism of picasso and braque;