How do compiste vocanows from? - Answers

Composite volcanoes, also known as stratovolcanoes, form from the alternating eruption of lava flows, ash, and volcanic rocks. This layered structure results from the more viscous lava that tends to trap gases, leading to explosive eruptions. Over time, repeated eruptions build up the volcano’s height and steep slopes. The process is influenced by the tectonic activity in subduction zones, where an oceanic plate sinks beneath a continental plate.