There are no oxygen-generating plants in caves, so...
https://www.sciencedaily.com/releases/2022/03/220311182516.htm Lee Skinner _______________________________________________ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
