I try to understand what's happening from like a geological carbon cycle, how much carbon is coming out of volcanoes, how much is going back into the Earth's interior due to subduction processes and plate tectonic processes.

我试图从地质碳循环角度了解目前发生的情况，比如有多少碳从火山喷出，有多少碳由于俯冲过程和板块构造过程而回到地球的内部。