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Scientists have found that the Uranium-235 content of an unknown prehistoric sample was reduced to one-fourth. What best describes the identity of the sample? (1 point)
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Scientists have found that the Uranium-235 content of an unknown prehistoric sample was reduced to one-fourth. What best describes the identity of the sample? (1 point)

User Pablo Papalardo
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4 votes

Answer:

A. (A stone artifact that formed 700 million years ago)

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I just needed some points, but also thank the other guy here for being smart

User Slobobaby
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4 votes

A rock that formed 700 million years ago
User Weakwire
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