Describes all the processes associated with the discharge of magma, hot fluids, ash, and gases.
end of exam
a. hydraulic energy
b. magnetism
c. thermal energy
d. volcanism

Volcanism describes all the processes associated with the discharge of magma, hot fluids, ash and gases.
It's the phenomenon of the eruption of a volcano that releases hot liquids called magma, also release ashes and gases.
Magma later on become stones when harden

Answer feldspar,quartz,mica and amphibole;