Question

What are volcanoes ?
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Answer 1

Answer:

volcanoes are the mountains which consists of lava in it and comes out in the form of magma

Answer 2

Answer:

A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater.