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
Fernwood Botanical Garden and Nature Preserve boxwood garden, a lilac garden (1940s), a lily pond (1977), and an herb garden featuring over 200 types of herbs. The nature center displays exhibits about the ecosystems and animals of Fernwood and items of seasonal interest, as well as live animals including an active beehive and local reptiles and amphibians. Environmental education programs are offered year round. Fernwood Botanical Garden and Nature Preserve The Fernwood Botanical Garden and Nature Preserve is an arboretum, botanical garden, and nature preserve located at 13988 Range Line Road in Buchanan Township, Michigan. It covers an area of . It is open to the