maljory maljory

12-03-2021
Geography

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A bone contains carbon-14 is found.If the bone has 25% of c-14 remaining how many half life’s has it gone?

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garrettab garrettab

12-03-2021

Answer:

2 half lives

Explanation: 100% then 50% = 1 half life, 50% then 25%=2nd

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