can some one help me please i need help queickly plelase

Chemistry
Tutor: None Selected Time limit: 1 Day

charcoal retrieved  an archeological excavation had a carbon-activity equal to 73.0 percent of the activity of carbon-14 in living plants.  abundance of carbon-14 in the atmosphere  remanded  modeless  few 1000 years how old is the charcoal half 5730

Jan 15th, 2015

Please provide a clear question and i will be of help asap

Jan 15th, 2015

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Jan 15th, 2015
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Jan 15th, 2015
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