Answer:
Lava at Earth’s surface or magma below Earth’s surface cools and hardens to form mineral crystals.
Step-by-step 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.