Suppose that two billion years ago 10% of the mass of the earth were 14 C. Approximately

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Suppose that two billion years ago 10% of the mass of the earth were ¹⁴C. Approximately what percent of the mass of the earth today would be ¹⁴C, neglecting formation of ¹⁴C in the atmosphere?

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Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

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Authors: Edmund G. Seebauer, Robert L. Barry

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Question Posted: Nov 29, 2011 12:55 PM

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Suppose that two billion years ago 10% of the mass of the earth were 14 C. Approximately

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Fundamentals of Ethics for Scientists and Engineers

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