Carbon dioxide was discovered by_______?A. Niels BohrB. Amedeo AvogadroC. Joseph BlackD. None of Above 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments