At which point does the greatest stream erosion occur

The greatest stream erosion occurs at the point where the greatest force of the river hits against the side of the bedrock before eroding. Streams on the earth's surface are eroded in three ways: Hydraulic action, abrasion, and solution. Dependent upon the makeup of the soil or surface upon which the force of the river hits, determines the movement of the river's path. 

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.