Assertion: rain | /r/HasAspect | a ph of 3.8–4.8
Facets:
Source sentences:
text: On America's East Coast, rain that is derived from the Atlantic Ocean typically has a pH of 5.0–5.6; rain that comes across the continental from the west has a pH of 3.8–4.8; and local thunderstorms can have a pH as low as 2.0.