Question

How do volcanoes form?

Answer 1

Answer: here's you're answer I don't know if you are in home school

But this is the answer if you are in k12

Answer 2

Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.