The yellow colour in photochemical smog is due to the presence of____________?A. Sulphur dioxideB. Carbon dioxideC. Nitrogen dioxideD. CFC’s 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