Assertion: carbon | /r/AtLocation | form
Facets:
value: in solids like limestone
type: LOCATION
Source sentences:
text: Additionally, carbon is found in forms as diverse as the gas carbon dioxide (CO 2 ), and in solids like limestone (CaCO 3 ), wood, plastic, diamonds, and graphite.
text: Carbon is a common element in the world, which exists in many forms in both living and non-living things.
text: Carbon in nature is found in three forms called allotropes: diamond, graphite, and fullerenes.