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Darwin12

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In 10 years, 25% of a radioactive substance decays. What is its half-life?A. 25 years B. 24 years C. 20 years D. 29 years
1. 4 answers
2. 573 views
In 10 years, 25% of a radioactive substance decays. What is its half-life?A. 25 years B. 24 years C. 20 years D. 29 years
1. 0 answers
2. 1,197 views