Biology, 25.05.2021 17:50 jaycobgarciavis
If the half-life of a radioactive substance is 500 million years and you have
192 atoms of it, how many half-lives will have passed by the time that only 3
atoms of the substance remain?
A. 4
B. 5
C. 6
D. 2.
Answers: 1
Biology, 21.06.2019 17:50
How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes
Answers: 3
If the half-life of a radioactive substance is 500 million years and you have
192 atoms of it, how...
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