by Alessi, Donika, Jessica and Paul Third in Class E of Coleman Middle School (home of St. Bona) Treviso here as they have solved the problem of determining the average altitude dellAntartide, the continent "more high ".
How did they do? They had as the difference map of Antarctica you find below, have built an oriented line that crossed the South Pole along the meridian 77 °, and have made every cm (abscissa) 's relative altitude curves of level.
then determined the average elevation.
Europe for example, despite the presence the Alps and other mountain ranges have an average altitude of 250 meters (approximately).
difference Map of the Antarctic continent:
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