Assertion: lithosphere's crust | /r/MadeOf | the lightest materials
Facets:
value: because of this
type: CAUSE
Source sentences:
text: Because of this, the crust is made of the lightest materials (rock- basalts and granites) and the core consists of heavy metals (nickel and iron).
text: Because of this, the crust is made of the lightest materials (rock- basalts and granites) and the core consists of heavy metals (nickel and iron).