Answer:
Volcanoes tend to form at divergent boundaries because this is where two tectonic plates are moving apart from each other.
When this happens, magma from the Earth's mantle rises up to fill the gap that is created between the two plates. As the magma continues to rise, it eventually reaches the Earth's surface and forms a volcano.
Intense heat and pressure that is created by the movement of the tectonic plates can also cause the magma to erupt and create a volcanic eruption.
Step-by-step explanation: