What two things must be true about a sample in order to date it via radiocarbon dating by evaluating the decay of carbon-14

A. It must be inorganic and be at least 50,000 years old

B. It must be a marine animal and must have died recently

C. It must be organic and less than 50,000 years old

D. It must be a land animal and must have died recently

Question

16-11-2021
Physics

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What two things must be true about a sample in order to date it via radiocarbon dating by evaluating the decay of carbon-14

A. It must be inorganic and be at least 50,000 years old

B. It must be a marine animal and must have died recently

C. It must be organic and less than 50,000 years old

D. It must be a land animal and must have died recently

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pstnonsonjoku pstnonsonjoku · Answer 1 · 2021-11-19T17:47:33+01:00

Carbon -14 is a dating method that is applicable to only samples of organic origin which are less than 50,000 years old.

When living things contain carbon- 14. Carbon - 14 is a radioactive isotope of carbon that decays by beta emission. As long as a plant or animal is alive, there is a balance between its intake and output of carbon -14.

However, when the plant or animal dies, this carbon - 14 begins to decay. The half life of carbon - 14 is 5700 years and it can be used to measure the age of materials or organic origin that are less than 50,000 years old.

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