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Description: Currently you are watching Carbon dating bbc bitesize porn video uploaded to: Pussy porn category. You can find more videos like Carbon dating bbc bitesize below in the related videos section. What is Carbon Dating? The age of archaeological specimens can be calculated by looking at the amount of carbon - 14 in a sample. The method is a form of radio dating called carbon dating. Radio dating can also be used to date rocks. How is Carbon - 14 formed? The isotope carbon - 14 is created at a constant rate in the upper atmosphere by cosmic rays acting on nitrogen. A secondary school revision resource for OCR Gateway Additional GCSE Science about radiation and uses of radioisotopes.

Added: 11.10.2018 at 10:04

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Bitesize Carbon dating bbc

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