all of the following are advantages of volcanic eruption except
A. volcanic material ultimately break down and weather to form some of the richest soils on Earth.
B. the internal heat associated with young volcanic system has been harnessed to produce geothermal energy and development hot spring as tarist destination
C. volcanic eruption may result in the decrease of earth's surface temperature due to the spread of earosol particles from the plume around the globe by the strong wind.
D. Explosive volcanic eruptions can be dangerous and deadly.​