Question

Which of the following is true regarding units of geologic time?

A.
Eras are divided into periods; periods are divided into epochs.

B.
Epochs are divided into periods; periods are divided into eras.

C.
Periods are divided into epochs; epochs are divided into eras.

D.
Eras are divided into epochs; epochs are divided into periods.

Answer 1

A

Step-by-step explanation:

Eras are divided into periods; periods are divided into epochs.

Answer 2

A. is the true answer