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Carbon14 has a halflife of 5,730 years. If the age of an object older than 50,000 years cannot be determined by radiocarbon dating, then
*
carbon14 levels in a sample are undetectable after approximately ten halflives.
*
carbon14 levels in a sample are undetectable after approximately nine halflives.
*
the halflife of carbon14 is too long to accurately date the object.
*
a radioisotope with a shorter halflife should be used to date the object.
 one year ago
 one year ago
Carbon14 has a halflife of 5,730 years. If the age of an object older than 50,000 years cannot be determined by radiocarbon dating, then * carbon14 levels in a sample are undetectable after approximately ten halflives. * carbon14 levels in a sample are undetectable after approximately nine halflives. * the halflife of carbon14 is too long to accurately date the object. * a radioisotope with a shorter halflife should be used to date the object.
 one year ago
 one year ago

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