who was the first to propose the existence of atoms?\njohn dalton\ndemocritus\njoseph proust\nernest…

who was the first to propose the existence of atoms?\njohn dalton\ndemocritus\njoseph proust\nernest rutherford
Answer
Brief Explanations:
Democritus, a Greek philosopher in ancient times, first proposed the existence of atoms. He theorized that matter was composed of indivisible particles called atoms. John Dalton is known for his atomic - theory in modern chemistry. Joseph Proust is associated with the law of definite proportions. Ernest Rutherford is famous for his gold - foil experiment and the discovery of the atomic nucleus.
Answer:
B. Democritus