2 ms·Exactly. Carbonaceous.by alkonaut 5y agoExactly. Carbonaceous.redprince 5y agoWhich is Carbon, because that's what left when you take away the O2 from CO2.alkonaut 5y agoNo it’s still oxidized carbon (graphene oxide) just less oxidized than CO2. Otherwise, if it was unoxidized you could just burn that carbon again and regain 10x the energy you spent!