Assertion: carbon dioxide | /r/CapableOf | gather the ground
Facets:
value: nearer
type: MANNER
Source sentences:
text: CO2 is heavier than air and gathers nearer the ground, whilst carbon monoxide is lighter than air and gathers higher up.
text: Carbon dioxide is heavier than air and gathers nearer the ground, whilst carbon monoxide is lighter than air and gathers higher up.