The other process is "cooling of the lava running down the mountain."

Explanation:

• There are a lot of steps involved in the formation of rocks which combine and form a rock cycle.

• According to the situation in the current picture, the first step is the melting of lava underground.

• In the second step, the lava gets cooled down by running down the mountain and become part of the rock as extrusive igneous rock.

Learn more about the rock cycle from the link below

https://brainly.com/question/12863450