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Author Question: Radiocarbon dating is limited to the remains of plants and animals that died no longer than about ... (Read 152 times)

tth

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on: Jul 29, 2018
Radiocarbon dating is limited to the remains of plants and animals that died no longer than about
 
  A) 100 years ago.
  B) 5700 years ago.
  C) 40,000 years ago.
  D) 1,000,000 years ago.

Question 2

If a radioactive element has a half-life of 704 million years, and the amount of parent material remaining is one-eighth of the original amount, the specimen is about
 
  A) 2,112,000,000 years old.
  B) 1,408,000,000 years old.
  C) 2,816,000,000 years old.
  D) 3,520,000,000 years old.


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fwbard

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


tth

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Reply 2 on: Jul 29, 2018
Gracias!

meow1234

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Reply 3 on: Yesterday
Excellent

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