Volcano of classifying magmatic volcanoes is by their frequency of eruption, with those that erupt regularly called active, those that have erupted in historical times but are now quiet called dormant or inactive, and those that have not erupted in historical times called extinct. However, these popular classifications—extinct in particular—are practically meaningless to scientists. They use classifications which refer to a particular volcano's formative and eruptive processes and resulting shapes. There is no consensus among volcanologists on how to define an "active" volcano. The lifespan of a volcano can vary from months to several million years, making such a distinction sometimes
What Are They Doing in Heaven? both the verses and the refrain, the first three lines rhyme, and the fourth is "What are they doing now?" or some small variant of that. The author reflects on friends who were burdened in life by care, or by disease, or by poverty; and wonders what they might now be doing in Heaven, without giving his answer. The first known recording of the song is the 1928 one by Washington Phillips (18801954; vocals and zither), in gospel blues style. Phillips' recording was used in the soundtrack of the 2005 film "Elizabethtown". The song has since been recorded many times