Assertion: tellurium | /r/AtLocation | low concentrations
Facets:
value: in the earth's crust
type: LOCATION
value: naturally
type: MANNER
value: in oceans
type: LOCATION
Source sentences:
text: While tellurium can be found naturally at low concentrations in the Earth's crust and oceans, it is frequently released into the environment as a by-product of metal production, as well as from the mining and burning of coal and oil.
text: While tellurium can be found naturally at low concentrations in the Earth’s crust and oceans, it is frequently released into the environment as a by-product of metal production, as well as from the mining and burning of coal and oil.