Transcription: The theory of the cycle of erosion was exposed by the geologist and geographer William Morris Davis, part of a territory that was discovered by a few people. When the aerogenic activity produced the first celebrations, the initial processes were used with the formation of a red hydrographic of the civil incident in the river. To achieve the erosion's size, the erosion actually provoked and energized the rivers very much. But with the progress of erosion, The morphology begins to move and the feet of the mountains are formed by the water. If the region is affected by a glacier, the model of it ...