Question

the rock which is made up of molten magma

Answer 1

When the molten lava comes on the earth's surface, it rapidly cools down and becomes solid. Rocks formed in this way on the crust are extrusive igneous rocks. Sometimes the molten magma cools down deep inside the earth's crust.
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Answer 2

magma is a molten and semi molten rock mixture found under the surface of the earth this mixture is usually made of four parts a hot liquid base called the melt minerals crvstalised by the melt solid rocks incorporated into the me to of surranding combines and dissolve gases