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.
Answer: dID YOU forget to add them?
Explanation:
I think you’ll find this funny
A reader should use context clues
Processed foods have been studied by several scientific and medical researchers and institutes and have found that severe health problems can come about from eating too much processed foods.