Assertion: mantle | /r/CapableOf | extend to a depth of 2,890 km
Facets:
value: beneath the surface
type: LOCATION
Source sentences:
text: Earth's mantle extends to a depth of 2,890 km, making it the thickest layer of Earth.
text: Earth's mantle extends to a depth of 2,890 km beneath the surface, making it the thickest layer of Earth.