Free house wife v chat - Carbon 14 dating ppt

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carbon 14 dating ppt-58

Carbon-14 dating is based on the ratio of available Carbon-14 versus what is actually found in living systems.

If this ratio is inconsistent, Carbon-14 dating cannot be accurate.

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Someone enters the room moments later and sees that a flask is only 1/4th full and presumes it has been there for three days.

They are using the prior ratio, not the diluted one.

Through the life of the organism, the proportion of C-14 to C-12 reaches the same proportion as in the rest of the environment.

When the organism dies, however, it ceases to incorporate carbon into its body.

The rate of C-14 production today is 18% higher than the rate of decay (Whitelaw).

This means that today we are experiencing a net increase in the proportion of C-14 in the atmosphere.

This dilution artificially skews a measurement if we use today's ratios.

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