Scientists wondered how volcanoes could be located so far from tectonic plate boundaries until one proposed idea of blank where the magma is much hotter than the surrounding magma these are blank and do not move with tectonic plates they are responsible for the creation of blank Island chains

Answer 1

Scientists wondered how volcanoes could be located so far from tectonic plate boundaries until one proposed idea of mantle plumes where the magma is much hotter than the surrounding magma. These are stationary and do not move with tectonic plates. They are responsible for the creation of hotspot island chains.