The earth’s magnetic field, called the Van Allen belt, has weakened 6% in the past 150 years. If the earth were old the magnetic field would have been too strong to allow life in the not too distant past. This magnetic field decay is not factored into Carbon 14 dating. As the magnetic field affects the amount of solar radiation entering the earth’s atmosphere, the rate of C14 production in the atmosphere varied over time. To calculate the age based on carbon decay the initial amount of the C14 and the rate of decay must be know. Carbon dating is flawed as the magnetic field changes are not factored into the equations, and the initial amount of C14 zero, which is a huge assumption. The magnetic decay also shows a young earth or no life could exist.