Question

1. The largest time unit in the geologic time scale is the

Answer 1

Hi

Eon:
the longest division of geological time.

Era:
a major division of geological time

Period:
the interval taken to complete one cycle of a regularly repeating phenomenon.
Epoch:
a unit of geological time that is a subdivision of a period


That means Eon is the largest time unit in the geological timescale

thanks for asking