Practice problem
(http://www.cubasi.com/nows-exclusive-recommended/item/3045-thousands-evacuate-after-explosive-volcano-eruption-in-southern-chile)
What are the properties of magma that can cause an explosive volcanic eruption?
Low viscosity, high temperature, low gas content
High viscosity, high temperature, high gas content
High viscosity, low temperature, high gas content
Low temperature, low temperature, low gas content
Type a concept, like “slope” or “photosynthesis”.
