Question

What is the longest division in geological time?

Answer 1

hey mate...

eon

Eons and Eras. The first principal subdivision is called the eon. An eon, the largest division of the geologic time scale, spans hundreds to thousands of millions of years. Geologists generally agree that there are two major eons: the Precambrian eon and the Phanerozoic eon.

hope it helpz uh

Answer 2

Explanation:

first principle of longest division in geological time