Carbon dating test meaning

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Warren; Blackwell, Paul G. There is only one major variation that has happened in carbon-14 dating that scientists know of. Accordingly, carbon dating carefully applied to items from historical times can be useful.

Similarly, groundwater can contain carbon derived from the rocks through which it has passed. In the human body Since many sources of human food are ultimately derived from terrestrial plants, the carbon that comprises our bodies contains carbon-14 at almost the same concentration as the atmosphere. Such old coal should be devoid of 14C.

How Does Carbon Dating Work - These curves are described in more detail.