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They also claimed that small pieces of debris found near Stonehenge, which were traced back to the dig site in Wales, were actually transported by the movement of glaciers over half a million years ago, and not brought by ancient masons along with the bluestones.
Page 1 of 4 Chapter 3 Erosion and Deposition Changing Earth's Surface Erosion is the process by which natural forces move weathered rock and soil from one place to another. Gravity, running water, glaciers, waves, and wind all cause erosion.The material moved by erosion is sediment.s water moves over land, it carries these particles with it. This moving water is called runoff, which is water that moves over Earth's surface. The amount of runoff in an area depends on five main factors: amount of rain, amount of vegetation, type of soil, shape of the land, and how people use the land.