Multiple Choice
If the half- life of a radioactive isotope is 1 billion years, and we measure a parent- to- daughter ratio of 1:3 in a particular sample, the age of the sample would be about:
A) 1 billion years old.
B) 3 billion years old.
C) 4 billion years old.
D) 2 billion years old.
Correct Answer:
Verified
Correct Answer:
Verified
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