D. Exfoliation is the answer
The correct answer among the choices listed above is option A. The explosive force of a volcanic eruption depends on the type of magma in the magma chamber. The type of magma depends on its viscosity, gascontent, and silica content. It is by these three properties that magma is classified.
Because everybody needs to know what the weather is and if it's safe to fly or not and to tell the passengers