March 22, 2005 A geochemical investigation to the result of coal rank to the likely environmental consequences of CO2 sequestration in deep coal beds Coal samples of various rank have been extracted inside the laboratory with supercritical CO2 to evaluate the potential for mobilizing hydrocarbons all through CO2 sequestration or https://www.generationgenius.com/videolessons/rocks-and-minerals-video-for-kids/