Subject:
Morgan Winston Period 6 8/13/12 New World Beginnings 33,000 B.C.E.- 1769 C.E. I. The Shaping of North America Around 225 million years ago, all the worlds dry land made one single supercontinent i. Enormous chunks of terrain started to drift ????????????? ? a. Created continents of Eurasia, Africa, Australia, Antarctica, and the Americas ii.?Shifting and folding created mountain ranges By 10 million years ago, the basic geological shape of North America had formed i. Canadian Shield- first part of the North American landmass to have emerged above sea level a. What anchored the continent in its northeastern corner The Great Ice Age began about 2 million years ago ice sheets covered parts of Europe, Asia, and the Americas ii. Glaciers retreated about 10,000 years ago
