What determines the viscosity of magma? What else determines whether a volcano will erupt violently or calmly

The higher the amount of silica in the magma, the higher is its viscosity. Viscosity is a liquid's resistance to flow. Viscosity determines what the magma will do. Mafic magma is not viscous and will flow easily to the surface. Hope this helps

Hello! the correct answer is: true, because hamilton had a strong want for strengthening the national government. i hope my answer c:

1.en mi opinión, las corridas de toros son incorrectas porque están siendo torturadas psicológicamente y ocasionalmente resultan heridas o muertas.2.si estuviera en méxico o españa, probablemente no asistiría.3. no tengo ideas de  polémico traditiones en mi cultura4. la mas cerca que nosotros tenemos son la maltrata de los animales.