Volcanoes that have recently erupted are known as: Extinct Volcano false Dormant Volcano false Active Volcano true What's a volcano? false Single What percent of the Earth's volcanoes reside in the Ring of Fire? 75% true 100% false 90% false 33% false Single Volcanoes that are made of basalt lava flows are called: composite volcanoes false shield volcanoes true stratovolcanoes false cone volcanoes false Single What is a determining factor in which type of eruption will occur? the chemistry of the magma true the size of the mountain false the climate around the volcano false the number of people living near the volcano false Single The particles produced in volcanic eruptions are called  laccoliths false pyroclastic material true calderas false volcanic stocks false Single A place above a mantle plume where melted rock can form a volcano is a fissure false mantle plume false hotspot true volcano false Single huge hole left behind when a volcano collapse is a caldera true volcanic neck false sill false vent false Single A subduction zone is plates pull apart false the continental plate slides under the oceanic plate. false where the oceanic plate slides under the continental plate. true plates slap each other a high five. false Single The difference between magma and lava is where it is found (above or below the surface) true how hot the molten rock is (lava is hotter than magma) false  the type of boundary where it forms false the viscosity of the molten rock (lava has a lower viscosity) false Single A small volcano with steep sides. cinder cone true composite false strata false shield false Single