Assertion: manganese | /r/HasProperty | necessary for good health
Facets:
Source sentences:
text: Manganese is a trace element and is necessary for good health.
text: The NIH lists recommended amounts of manganese needed for good health.
text: Manganese is an essential trace element and is necessary for good health.
text: Manganese is an essential trace element and is necessary for good health.
text: Manganese is an essential trace element that is necessary for good health.