Which gas is used to extinguish fire?A. Nitrous OxideB. MethaneC. Carbon DioxideD. Carbon Dioxide & Nitrous Oxide 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments
