John phillips in 1860 used the idea of sedimentation to, Ask an Expert

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John Phillips, in 1860, used the idea of sedimentation to estimate the earth's age. Based onthe rate of sedimentation he observed occurring today, he assumed that approximately onefoot of land eroded into the ocean every 1,330 years. He speculated that geologic columnswould have a maximum height of 72,000 feet. Using his approach and numbers, find out the approximate age of the earth he came to.

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