The most abundant element in the universe is ______. A. Oxygen B. Hydrogen C. Carbon Dioxide D. Silicon 💾 Save the Page as PDF: 📥𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐍𝐨𝐰! Related Read more articles Previous PostThe average adult has a blood volume of about _____ liters. Next PostThe most abundant element in the Earth’s crust is ______. If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply