As the runoff flows, it may pick up loose bits of soil and sand. Runoff causes more erosion if the land is bare. ... Much of the material eroded by runoff is carried into bodies of water, such as streams, rivers, ponds, lakes, or oceans. Runoff is an important cause of erosion.
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The aluminum pan would undergo a greater energy change.
The world wars and early exploration days of the early 19th and 17ty and 16th centuries
China and Hong-Kong is having the rapid urbanization in eurasia