Assertion: acid rain's acid | /r/HasProperty | h 2 co
Facets:
Source sentences:
text: Marble and limestone both consist of calcium carbonate (CaCO 3 ), a salt derived from the weak acid H 2 CO 3 .
text: Marble and limestone both consist of calcium carbonate (CaCO 3 ), a salt derived from the weak acid H 2 CO 3 .