Subject	dissolved oxygen
Predicate	can be used up
Object	in a freshwater ecosystem
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.7006
Neighborhood Sigma	0.7018
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source dissolved oxygen can be used up in a freshwater ecosystem 1 Google Autocomplete