The Charcoal from Ashes Found in a Cave Gave 7

question 48

Multiple Choice

The charcoal from ashes found in a cave gave 7.4 14C counts per gram per minute. Wood from the outer portion of a growing tree gives a comparable count of 15.3. The half-life of 14C is 5700 years. How old are the ashes?

• A) 5700 y
• B) 5437 y
• C) 3245 y
• D) 9220 y
• E) 5970 y

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S-1

A filing with the SEC used by companies planning on going public to register their securities.

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A form filed with the U.S. Securities and Exchange Commission (SEC) related to mergers and acquisitions, containing significant information about the transaction.

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