Using the Diagnostic and Statistical Manual of Mental Disorders (DSM) a mental health professional is able to identify the specific type of anxiety disorder causing the symptoms as well as any other possible disorders including depression, ADHD or substance abuse which may be involved.
Melting is the process in the rock cycle that causes magma to form.
The type of igneous rocks that form from magma is a function of three factors: the chemical composition of the magma; temperature of solidification; and the rate of cooling which influences the crystallization process.