Assertion: soil | /r/MadeOf | organic material
Facets:
value: as rock
type: MANNER
value: as soil
type: OTHER
Source sentences:
text: Typically, people refer to dirt that contains organic material as soil, while referring to other elements of the regolith as dirt, dust, gravel or sand.
text: As well as rock, soil contains organic material, formed from decayed plants or animals.
text: Black soil indicates the soil contains organic materials while gray soils may be waterlogged.