Subject radioactive isotope
Predicate be used in
Object biology
Modality
Modality Occurrences
Polarity POSITIVE
Plausibility 0.8826
Neighborhood Sigma 0.8846
Local Sigma 1.0000
Example Sentences
Sentence Occurrences Source
radioactive isotopes are used in biology 8 Google Autocomplete, Answers.com Questions
radioactive isotopes is used in biology 4 Google Autocomplete