Who was the twin brother of Romulus?

Who said this, "I found Rome a city of clay but left if a city of marble."

A Roman stateman who wrote "De Agricultura"

A famous orator, lawyer and politician who put the Greek corpus into Latin and his works on Philosophy proved influential in the field of cosmology and physics.

He compiled a vast encyclopedia called De Medicina which has 8 volumes

A Skeptic who thought that one should question any ideas or facts they heard about. He believed that one should always ask, "how do they know that?".

Uncheck the item that is not a Roman invention

A stack of bound pages that is recognized as the earliest incarnation of the book'

Romans made use of concrete which is made up of slaked lime and volcanic ash and volcanic rocks that could endure chemical decay called