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In living things what is the source of the carbon-14 that is used in radiocarbon dating
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In living things what is the source of the carbon-14 that is used in radiocarbon dating

User Nightcrawler
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In living things, the source of the carbon-14 that is used in radiocarbon dating is carbon dioxide in the atmosphere.
Living things inhale oxygen, and exhale carbon dioxide into the atmosphere, which is why the air and atmosphere are so full of it.
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