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Question

The age of pottery is determined by archaeologists using a radioisotope of :

A
Carbon
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B
Cobalt
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C
Iodine
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D
Phosphorus
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Solution

The correct option is D Carbon
The age of pottery is determined by archeologists with the help of relative proportions of the carbon isotopes carbon-12 and carbon-14 that it contains. The ratio between them changes as radioactive carbon-14 decays and is not replaced by exchange with the atmosphere.

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