Assertion: acid rain's ph | /r/HasProperty | neutral
Facets:
Source sentences:
text: The pH of pure water is 7 or neutral, while the pH of a weak acid, like vinegar, runs between 2 to 3.
text: A pH of 7.0 is considered neutral.
text: A pH of 7 is neutral.
text: (A pH of 7 is neutral; less than 7 is acidic; and greater than 7 is basic.)
text: A pH of 7 would be neutral, the lower the reading the more acidic it is.