Columbus Day was created to celebrate Christopher Columbus discovering America.
I am guessing B because it makes the most sense.
The correct answer is "Boyle believed matter is composed on tiny particles while the alchemists thought matter could be transformed into another substance". One of the major contributions of Boyle is to spread the believing that matter is composed of tiny particles, which years later will be corroborated and named atoms. On the other hand, alchemists believed that matter could be transformed into another, which was proved to be wrong later.
