MCQ Practice Science 📖 Every atom of Carbon di-oxide contains -- Oxygen and --- Carbon. ক 1, 1খ 1, 2গ 2, 1ঘ 2, 2 Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up Previous Eugenics is the study of--- Next Every molecule of water contains-- Oxygen and --Hydrogen.