Assertion: nitric oxide | /r/AtLocation | atmosphere
Facets:
value: naturally
type: DEGREE
Source sentences:
text: Nitric Oxide is a colorless, odorless gas that is relatively insoluble in water and is found in naturally atmosphere at concentration range of 10-500 ppb.
text: Nitric oxide (NO) is found in the atmosphere, and is higher in areas with air pollution.