Question

Put the following three units of time in order from shortest to longest. Select one: a. Century, period, era b. Century, era, period c. Period, century, era d. Era, period, century e. Era, century, period

Answer 1

A. Century, period, era.

Explanation:

A century is a space of time of a hundred years, a period is a space of time of several or many centuries, an era is a space of time of several periods. Hence, the correct answer is A.