North America is a heavenly continent that’s domestic to the Rockies,Yosemite, the Grand Canyon, and Yellowstone,and many more natural wonders. How did that happen? How did North America get its shape? The acknowledge is that it took millions and millions of years. Over the history of soil, tectonic plates have smashed into each other and dove under one another to literally move continents and create everything we see above ground. Read more...
Source: gawker.com