Assertion: nickel | /r/AtLocation | all soil
Facets:
Source sentences:
text: Nickel is found in all soil and is emitted from volcanoes.
text: Nickel is a naturally occurring metal existing in various mineral forms and may be found throughout the environment including rivers, lakes, oceans, soil, air, drinking water, plants, and animals.
text: Nickel is found in all soil and is emitted from volcanoes.