Multiple Choice
If three samples have the half-lives listed below,which sample would remain radioactive the longest?
A) a sample with a half-life of 20 minutes
B) a sample with a half-life of 20 hours
C) a sample with a half-life of 20 years
D) a sample with a half-life of 20 million years
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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