Assertion: carbon | /r/HasProperty | created in the atmosphere
Facets:
value: constantly
type: TEMPORAL
Source sentences:
text: C) is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen.
text: During World War II, Willard Libby – a chemist and graduate of Berkeley – read a paper by W. E. Danforth and S. A. Korff (published in 1939) which predicted that C 14 would be created in the atmosphere due to interactions between nitrogen and cosmic rays.