The largest expanse of time on the geologic time scale is the (1 point) eon epoch era period

The largest expanse of time on the geologic time scale is the eon. An eon is known to be a unit of geological of time in which this is equivalent to billions of years in which gave it the title of having to be the largest expanse of time in regards with the geologic time scale.

It’s either c or d as the answer.

Answerscripps institution of oceanography; i believe this is correct plz check first good luck;