Assertion: acid rain's acid | /r/CreatedBy | electrical activity
Facets:
value: in the atmosphere such as lightning
type: LOCATION
Source sentences:
text: Nitric acid in rainwater is an important source of fixed nitrogen for plant life, and is also produced by electrical activity in the atmosphere such as lightning.
text: Nitric acid in rainwater is an important source of fixed nitrogen for plant life, and is also produced by electrical activity in the atmosphere such as lightning.