Oh! Oh! I know this one! My father taught geology and geography, and this is one of the few lessons I remember learning as I sat through his summer classes as a young kid. It was cheaper than a babysitter, see. So, I learned words like meander and oxbow. Minute Earth explains what happens to a river over time as the water continuously flows. Our earth is quite a dynamic, ever-changing place. -via Viral Viral Videos
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