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Sia

Question
World History
Posted 7 months ago
Okay I have a question. How can they say "This bone is 8 million years old" Without knowing for sure. How do they figure out how old something is I guess is what i'm trying to say.
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Answer from Sia
Posted 7 months ago
Certainly! Let's delve into how scientists determine the age of ancient bones and other artifacts.

Answer
Scientists use various dating methods to estimate the age of ancient bones and artifacts. One of the most common methods is radiometric dating, which includes techniques like carbon-14 dating for organic materials and potassium-argon dating for older fossils. These methods rely on the predictable decay rates of radioactive isotopes within the materials.
Key Concept
Radiometric Dating
Explanation
Radiometric dating measures the decay of radioactive isotopes to determine the age of a sample. For example, carbon-14 dating is used for organic materials up to about 50,000 years old, while potassium-argon dating is used for much older geological samples.

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