Subject radioactive decay
Predicate be used
Object to determine the age of a fossil
Modality
Modality Occurrences
Polarity POSITIVE
Plausibility 0.7444
Neighborhood Sigma 0.7854
Local Sigma 1.0000
Example Sentences
Sentence Occurrences Source
radioactive decay is used to determine the age of a fossil 1 Answers.com Questions