Carbon 14 dating detonates the amount of

Once an organism is dead, however, no new carbon is actively absorbed by its tissues, and its carbon 14 gradually decays.Libby thus reasoned that by measuring carbon 14 levels in the remains of an organism that died long ago, one could estimate the time of its death.This means that we need a pipe that is 10.3 feet long in order for the pollutants to be reduced to 10% of their starting amount.

Radiocarbon dating can be used on samples of bone, cloth, wood and plant fibers.At any particular time all living organisms have approximately the same ratio of carbon 12 to carbon 14 in their tissues.When an organism dies it ceases to replenish carbon in its tissues and the decay of carbon 14 to nitrogen 14 changes the ratio of carbon 12 to carbon 14.The kerosene is purified by removing pollutants, using a clay filter.Suppose the clay is in a pipe and as the kerosene flows through the pipe, every foot of clay removes 20% of the pollutants, leaving 80%.

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Plutonium Plutonium 239 is a man-made radioactive isotope. Plutonium 239 has a half-life of 24,110 years, which means that it would take 240,000 years to decay to a safe amount.

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