Subject	radio wave
Predicate	be used
Object	determine
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0666
Neighborhood Sigma	0.0666
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source radio waves are used to determine the shape of a galaxy 1 Google Autocomplete radio waves be used to determine the position of icebergs at sea 1 Answers.com Questions