It is a period of time as reckoned from specific date serving as the basis of its chronological system.

A. Pelike
B. Pillars
C. Stonehenge
D. Gothic
E. Ionic
F. Period
G. Era
H. Dolmens​


Sagot :

Answer:
G. Era

Explanation:
Era, Earned run average. A division of geologic time , longer than a period and shorter than an eon. A period of time as reckoned from a specific date serving as the basis of its chronological system. ... The definition of an era is a period of time in history that is unified by cultural or historical factors.