Answer:
Right answer:
C. 4.6 billion years old.
Explanation:
Answer:
The expaction became bigger and wider over the years.
Explanation:
Answer: The adjective "medieval" (or sometimes "mediaeval" or "mediæval"), meaning pertaining to the Middle Ages, derives from medium aevum. Medieval writers divided history into periods such as the "Six Ages" or the "Four Empires", and considered their time to be the last before the end of the world.
Explanation:
