Radiometric dating is done by comparing the ratio of dating in nogales mexico


14-Aug-2016 11:43

proposed that the changes in the intensity of solar radiation received from the Earth were effected by three fundamental factors.The first is called eccentricity, a period of about 100,000 years in which the nearly circular orbit of the Earth changes into a more elliptical orbit.

radiometric dating is done by comparing the ratio of-45

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The next factor is called obliquity, a period of about 41,000 years where the Earth's axis tilt varies between 21.5 and 24.5 degrees.The final factor is called precession, a period of approximately 23,000 years where the Earth's axis wobbles like a spinning top.



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