salejandro2127 salejandro2127

20-08-2020
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Radiocarbon dating ______________ a. Works only on organic material. B. Depends on a half life of 5,730 years. C. Is accurate to 70,000 years. D. All of the above.

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Thisuernsmewastaken Thisuernsmewastaken

20-08-2020

The answer is C. It can be used on objects as old as about 62,000-70,000 years old

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brgonzalez105 brgonzalez105

07-09-2020

Answer:

D

Explanation:

Carbon 14 (C14) exists in the atmosphere in constant proportion

C14 decays to carbon 12 at a constant rate when the organism dies

Every 5,730 years the amount of C14 is reduced by 50% half-life

Accurate to 70,000 years

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