The main function of lysosomes is to help with cell metabolism by ingesting and dissolving unwanted parts of the cell, cell debris or foreign substances that have entered the cell. Also answer is copied from a website just saying!
The higher the pressure of magma inside the volcano the higher the strength of the volcano.
The most appropriate answer would be magma. Lava is a magma that reaches the Earth's surface, which is technically it is also a magma, and magma is located below the Earth's surface.
Lava at Earth's surface or magma below Earth's surface cools and harden to form mineral crystals.