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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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andreidanielb andreidanielb
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6 years ago
The amount of 14C in a sample reveals 25% parent atoms and 75% daughter atoms. How many half-lives have occurred?
A) One
B) Two
C) Three
D) Four
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mkroesmkroes
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#1
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6 years ago
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andreidanielb Author
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6 years ago
This helped my grade so much Perfect
annakc
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Yesterday
Just got PERFECT on my quiz
rileyjones420
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2 hours ago
Helped a lot
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