Assertion: carbon monoxide | /r/AtLocation | small amounts
Facets:
value: in the earth's atmosphere
type: LOCATION
value: in the human body
type: LOCATION
value: always
type: DEGREE
Source sentences:
text: Carbon monoxide can always be found in small amounts in the human body.
text: Carbon monoxide (CO) is present in small amounts (about 80 ppb) in the Earth's atmosphere.