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dmitriy555 [2]
3 years ago
6

4. A scientist finds a rock with old microfossils in it, likely from around 4 billion years ago. Which

Biology
1 answer:
nignag [31]3 years ago
7 0

Answer:

U-238

Explanation:

the half-life of uranium-238 is about 4.5 billion years

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I hope this is correct and have a great day

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