Which features are formed by river erosion? Check all that apply.

gullies

meanders

oxbow lakes

rills

streams

waterfalls

meanders

oxbow lakes

waterfalls

Explanation:

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meanders

oxbow lakes

waterfalls

Explanation:

River erosion is the carving of the earth's surface by a river. There are four major ways that a river erodes; attrition, solution, abrasion and hydraulic action. Waterfalls are mainly found upstream because the water moves at higher velocity (as a result of higher gradient in watershed regions) hence the water has a higher vertical erosion. Meanders and oxbow lakes are formed downstream where the gradient is low and water has a stronger horizontal erosion than vertical erosion.

The rest of the choices are due to surface runoff erosion, especially on soil with no vegetation to break the running water.