Subject	nitrogen
Predicate	be returned
Object	to the atmosphere
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.6177
Neighborhood Sigma	0.6177
Local Sigma	0.6639
Example Sentences	Sentence Occurrences Source nitrogen is returned to the atmosphere 7 Google Autocomplete, Answers.com Questions nitrogen is returned to the atmosphere in the nitrogen cycle 2 Google Autocomplete, Answers.com Questions