Assertion: acid rain | /r/HasProperty | the process
Facets:
Source sentences:
text: Wet deposition is acid rain, the process by which acids with a pH normally below 5.6 are removed from the atmosphere in rain, snow, sleet or hail.
text: Acid rain is a process where the products of combustion (sulfur dioxide, carbon dioxide, nitrogen) mix with the upper atmosphere in the formation of rain, causing the rain to have a slight to moderate acidity.
text: Wet deposition is acid rain, the process by which acids with a pH normally below 5.6 are removed from the atmosphere in rain, snow, sleet or hail.