dahil pagsasama ito ng liquid solid at gas
if it is near to the hotspot it is young and most active and if it is far away its old and least active. only in a chain of volcanoes i don't know sa volcanoes na na form from subduction process
that is the main difference between sexual and asexual reproduction. sexual reproduction just means combining genetic material from two parents. asexual reproduction produces offspring genetically identical to the one parent.