Assertion: mantle | /r/HasProperty | the 1,800 mile
Facets:
Source sentences:
text: Earth's mantle is the 1,800 mile (2,900 km) thick shell making up about 84% of Earth's volume.
text: The mantle is about 1,800 miles (2,900 kilometers) thick and appears to be divided into two layers: the upper mantle and the lower mantle.
text: Earth's mantle is the 1,800 mile (2,900 km) thick shell making up about 84% of Earth's volume.