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Geography, 16.10.2019 01:00 adeliabujang8881

Ameteorite was found to contain 40 argon-40 atoms for every 10 potassium-40 atoms. the half-life of postassium-40 is 1.25 billion years. assuming no loss of daughter isotopes, how old is the moon rock?

2.5 billion years old

3.75 billion years old

6.75 billion years old

10.5 billion years old

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Ameteorite was found to contain 40 argon-40 atoms for every 10 potassium-40 atoms. the half-life of...

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