火山喷发时将大量的二氧化碳喷射到大气中,是大气中二氧化碳的主要来源之一。科学家最近研究发现,与人类活动相比,火山喷发只是“小巫见大巫”——人类每年排放的二氧化碳是火山 When volcanic eruptions inject large quantities of carbon dioxide into the atmosphere, it is one of the major sources of carbon dioxide in the atmosphere. Recent studies by scientists have found that volcanic eruptions are only a trifle compared to human activity - the annual emissions of carbon dioxide from mankind are volcanoes