Assertion: radon | /r/CapableOf | enter the environment
Facets:
value: through the soil
type: MANNER
value: through coal combustion
type: MANNER
value: through uranium and phosphate mines
type: MANNER
Source sentences:
text: What happens to radon when it enters the environment?
text: Radon enters the environment through the soil, through uranium and phosphate mines, and through coal combustion.