Key

Key 1)         Continental Drift Theory. 1915-Pangea Alfred Wagner played a major situation in this theory. The theory involved South the States and Africa, and Wegners hypothesis was that 200 million years ago, the continents were all matchless largish enormous continent called Pangea, which after a slice began to turn over into smaller continents. Two pieces of evidence that allow this philosophy: the dispersion of fossils among each continent, and the way South the States and Africa view together. Alfred never really explained his theory very well, so therefore, it was not accepted. 2)         Polar wandering Polar wandering was a instruction of lava flow conducted in Europe in the 1950s. The husking was that charismatic alignment in the iron rich minerals in lava flows of several(predicate) climb ons was represent to vary widely. 3)         Continental Shelf conciliate noticed. mid-sixties The Continental shelf is a gen tly go down lift extending from the shoreline towards the deep- ocean basin. The continental shelf is located cholecalciferol meters down, and the capable is not believed to be perfect, because after a wide condemnation erosion processes modify shorelines.

4) Magnetic Stripes put together on the seafloor. Otherwise known as magnetic reversals. 1963 The race between magnetic reversals and seafloor spreading is when a rock is the very(prenominal) age and distance from the ridge it turns out to have the same(p) polarity. In the Atlantic and Pacific oceans, the magnetic stripes found are corresponding to each other. ! If you want to get a ripe essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper