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Author Question: A piece of fossilized wood has a carbon-14 radioactivity that is 1/4 that of new wood. The half-life ... (Read 157 times)

james0929

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on: Aug 27, 2018
A piece of fossilized wood has a carbon-14 radioactivity that is 1/4 that of new wood. The half-life of carbon-14 is 5730 years. How old is the cloth?
 
  A) 1  5730 = 5730 years
  B) 2  5730 = 11,460 years
  C) 3  5730 = 17,190 years
  D) 0.25  5730 = 1432 years

Question 2

Colognes are
 
  A) similar to aftershaves.
  B) diluted perfumes.
  C) perfumes derived from natural products only.
  D) totally synthetic perfumes.


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mammy1697

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


james0929

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Reply 2 on: Aug 27, 2018
Wow, this really help

apple

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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