the diagram below is a model of the rock cycle. the diagram shows how one type of rock can change into…

Brief Explanation:

In the rock - cycle diagram, magma is the molten material beneath the Earth's surface. It is shown as the material coming out of a volcano in the diagram, and processes like melting of rocks lead to its formation, and crystallization of magma forms igneous rocks.

Answer:

The image at the bottom - left (the volcano with flowing lava) represents magma.