Asample has a 14c6 activity of 0.0031 bq per gram of carbon.
(a) find the age of the sample, assuming that the activity per gram of carbon in a living organism has been constant at a value of 0.23 bq.
(b) evidence suggests that the value of 0.23 bq might have been as much as 22% larger. repeat part (a), taking into account this 22% increase.
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Ответ:
A
Explanation:
Roll one ball toward a ball with greater mass.