The most abundant element in the earth’s crust is oxygen. The second most abundant element in the earth’s crust is_____. A. Hydrogen B. Nitrogen C. Brass D. Silicon 💾 Save the Page as PDF: 📥𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐍𝐨𝐰! Related Read more articles Previous PostBattery was invented by____. Next PostThe nearest planet to the Sun is____. If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply