Final answer:
Volcanoes happen when destructive forces explode and tectonic plates collide, causing magma to rise to the surface and erupt.
Step-by-step explanation:
Volcanoes happen when destructive forces explode. Tectonic plates collide and create immense pressure, causing hot molten rock called magma to rise to the surface. This magma may erupt through a vent or fissure in the Earth's crust, releasing gases, ash, and lava.
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