Answer:
Volcanoes are classified into three types: composite or stratovolcanoes, shield volcanoes, and dome volcanoes.
Explanation:
Composite Volcanoes
Composite volcanoes, also known as stratovolcanoes, are steep-sided cones formed by ash and [lava] flows. These volcanoes' eruptions could be pyroclastic flows rather than lava flows. A pyroclastic flow is a highly combustible mixture of hot steam, ash, rock, and dust. A pyroclastic flow can travel down the side of a volcano at high speeds and at temperatures exceeding 400 degrees Celsius. Composite volcanoes can reach heights of over 8000 feet.
Shield Volcanoes
Shield volcanoes are low volcanoes with gently sloping sides formed by layers of lava. Typically, eruptions are non-explosive. Shield volcanoes spew out fast-moving fluid [lava] that can travel for miles. Eruptions are typically frequent but gentle. Although these eruptions destroy property, human death or injury is uncommon.
Dome (Acid Lava Cones)
The acid [lava] is much thicker than the [lava] flowing from shield volcanoes. The sides of dome volcanoes are much steeper than those of shield volcanoes. This is due to the lava being thick and sticky. It can only go so far before it cools and hardens. Puy de Dome in the Auvergne region of France, for example, last erupted over a million years ago.
