Explain the ratio of carbon atoms in living systems

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The total mass of carbon in living systems is estimated to be 7.5 x 10^17 g. The total mass of carbon on Earth is estimated to be 7.5 x 10^22 g, what is the ratio of carbon atoms in living systems to the total carbon atoms on Earth? Report your answer in percent and ppm.

Reference no: EM13551434

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