Answer: a
Eon, Era, Period
Explanation:
There may be 2 or more Eras in an Eon, and at least two Periods in an Era.
For example, The Phanerozoic Eon consists of the Cenozoic, Mesozoic, and Paleozoic Eras.
The Mesozoic Era consists of the Cretaceous, Jurassic, and Triassic Periods.
My friend made me assuage in a situation when we got in trouble and when we got out of the principal office I got the sentient back In My legs message me if you want a better answer it wasn’t my best work
Because she's immune/ prone to children getting sick
They both show how these schools be prepare to be political social and economic issues
