Question

The largest time unit in the geologic time scale is the

A. period.
B. eon.
C. era.
D. epoch.

Answer 1

The largest time unit in the geologic time scale is the? The answer would be, B. Eon.

Answer 2

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