Assertion: acid rain's acid | /r/HasProperty | main causes of acid rain
Facets:
Source sentences:
text: The sulphuric acid and nitric acid are the main causes of acid rain.
text: The sulphuric acid and nitric acid are the main causes of acid rain.
text: The sulphuric acid and nitric acid are the main causes of acid rain.
text: The sulphuric acid and nitric acid are the main causes of acid rain.