"the discovery of the atom"

the atomic theory began as an ancient philosophy dating back to at least the fifth and sixth centuries bce in both greece and india. in fact, the word atom is taken from the greek word “atomos,” meaning indivisible. the term atom was used to define the basic particle that made up a chemical element. chemists during the time of the ancient greeks believed that atoms were the fundamental particles of matter. in other words, the atom was thought to be the smallest possible unit that matters could be broken down into. this basic philosophy proposed that a solid object could potentially be divided again and again until it eventually reached the smallest indivisible unit—an atom. followers of this ideology were called atomists. in the fifth century, a greek philosopher named leucippus and his pupil democritus proposed that all matter was made up of atoms.
what is paragraph 2 most likely about?
a) the properties of an atom
b) the beginning of atomic research
c) the creation of religious philosophy
d) the connection between atoms and religion