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gladu [14]
3 years ago
7

You have a sample that contains 35 grams of Uranium-235 and 525 grams of Lead-207. Uranium-235 has a half life of 713 m.y. How o

ld is the sample?
Biology
1 answer:
ludmilkaskok [199]3 years ago
3 0

Answer:I have this question too

Explanation:

O

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