Assertion: cobalt | /r/CapableOf | enter the environment
Facets:
value: from the production of cobalt alloys
type: OTHER
value: from human activities
type: CAUSE
value: from natural sources
type: CAUSE
value: from both natural sources
type: OTHER
Source sentences:
text: Cobalt may enter the environment from both natural sources and human activities.
text: Cobalt enters the environment from natural sources and the burning of coal or oil or the production of cobalt alloys.