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I have some books which is really good for you.
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Let you try them!
Thank you so much,
Your English Teacher,
Darwoto, S.Pd.
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Article of the Day
  Radiocarbon DatingRadiocarbon dating is a method for determining the age of carbonaceous materials—especially ancient archaeological specimens—that relies on the presence of a naturally occurring isotope called carbon-14. After an organism dies, the amount of carbon-14 in its remains gradually decreases through radioactive beta decay. Measuring the amount of carbon-14 in an organism's remains thus allows scientists to determine how long it has been dead. How do atomic bombs affect atmospheric carbon-14 levels? More... Discuss |
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