Respuesta :

meerkat18
The more silica crystal within the magma, the viscosity of the magma increases because of crystals sticking present. So when the magma has low silica content, but viscous (sticky, like honey) magma will not, and gas gets trapped within it, and then explodes out, cause large scale explosive erruptions.

Answer:

The given blank can be filled with friction.

Explanation:

Magma, which is low in silica has slight friction between its particles that ultimately leads to low viscosity. The viscosity is illustrated as the internal resistance of the fluid to flow. The low viscosity materials flow readily as its molecules generate less friction when they are in movement. Thus, when there is less friction there is less resistance to flow.

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