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Topic Topic: Carbon-14 radioactivity Post ReplyNew Question
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Joined: 26 June 2005
Posts: 918
Posted: 16 November 2005 at 3:40pm | IP Logged Quote System

A piece of fossilised wood has a carbon-14 radioactivity that is  that of new wood. The half-life of carbon-14 is 5730 years. How old is that piece of fossilised wood?
    A.   0.5 x 5730 = 2,865 years
    B.   3 x 5730 = 17,190 years
    C.   1 x 5730 = 5,730 years
    D.   2 x 5730 = 11,460 years
 QUIZ QUESTION #1430 created by Guest on 15 November 2005 at 2:09pm

Correct answer: D    Correct clicks: 26.09%  Wrong clicks: 73.91%
    A.   [5 clicks 21.74%] 
    B.   [5 clicks 21.74%] 
    C.   [7 clicks 30.43%] 
    D.   [6 clicks 26.09%] 
Please discuss this quiz question.
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