Assertion: carbon dioxide | /r/HasProperty | a heavy
Facets:
value: at room temperature
type: OTHER
Source sentences:
text: Carbon dioxide is a heavy, odorless, colorless, faintly acid-tasting, and non-flammable gas (at room temperature) that is released during respiration, combustion, and by the decomposition of organic substances, which is then mostly absorbed from the air by plants in the process called photosynthesis.