Assertion: magma | /r/CapableOf | push with great force
Facets:
value: because of this difference in density
type: CAUSE
value: upward
type: MANNER
Source sentences:
text: Because of this difference in density, the magma pushes upward with great force (for the same reason the helium in a balloon pushes up through the denser surrounding air and oil pushes upward through denser surrounding water).