A volcano is a big (mountain,magma chamber,a volcano).At the end of a volcano there is a magma chamber There is magma in the magma chamber.Magma is very hot liquid rock. Sometimes magma comes out of(mountain, magma chamber,a volcano).If magma comes out very often,we call a volcano active . If magma does not come out of a volcano for a very long time we call it(an inactive volcano,magma chamber, mountain) . When magma comes out of a volcano we call it lava.
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