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RSB [31]
3 years ago
8

What evidence indicates that the Earth is 4.6 billion years old?

Biology
1 answer:
beks73 [17]3 years ago
8 0

Answer:

In uranium-lead dating, for instance, the radioactive decay of uranium into lead proceeds at a reliable rate. Based on the very old zircon rock from Australia we know that the Earth is at least 4.374 billion years old.

And that's how after rounding we know that earth is 4.5 years old.

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