Answer:
Stratovolcanoes
Explanation:
Volcanoes composed of alternating layers of pyroclastic debris and andesitic to rhyolitic lava flows that erupt in vulcanian and plinian style eruptions are known as stratovolcanoes , A stratovolcano is a tall, conical volcano composed of one layer of hardened lava, tephra, and volcanic ash. example of stratovolcanoes include Mt. St. Helens, Mt. Rainier, Pinatubo.