Lava at Earth’s surface or magma below Earth’s surface cools and hardens to form mineral crystals.
Explanation:
Magma is the natural material,all the igneous rocks are formed from the molten magma.
Magma is present under the surface of the Earth,When the magma comes to the surface of the earth it becomes lava.
Magma is present below the Earth's surface.
Magma which comes from within the Earth by the volcano vent is called lava, and the lava present on the Earth surface cools and harden quickly and form mineral crystals.
