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Author Question: The practical limit for 14C dating occurs when its activity falls to 0.20% of its original value due ... (Read 39 times)

Alygatorr01285

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on: Feb 15, 2020

Question 1

If a log contains 60.0% of the 14C present in a living tree, how long has the log been dead? The half-life of 14C is 5730 years.
◦ 3430 years
◦ 7560 years
◦ 2290 years
◦ 4220 years

Question 2

The practical limit for 14C dating occurs when its activity falls to 0.20% of its original value due to interference in detectors by natural background radiation. If the half-life is 5715 years, what is the maximum age of a sample that can be dated by 14C without interference?
◦ 2.9 × 106 years
◦ 1.3 × 104 years
◦ 5.1 × 104 years
◦ 2.9 × 104 years
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by Alygatorr01285 on Feb 15, 2020

bblaney

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Alygatorr01285

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Reply 2 on: Feb 15, 2020
Gracias!

T4T

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Reply 3 on: Yesterday
:D TYSM

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