When Antarctica glacial ice melts the Oceans will raise 400 feet world wide. The calculation is easy to do. Antarctica covers 5% of the surface of the Earth. The Ice sheet on Antarctica averages one mile thick. One mile equals 5280 feet. The Oceans cover two thirds of the Earth which is approximately 66%. So .05 x 5280 = .66 x Y where Y is rise of oceans. Y = 400 feet.
copyright (c) 2017
William Schaeffer
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