Which of the following situations is not an example of natural erosion?

Natural erosion is the wearing away or movement of Earth materials by natural forces such as wind, water, or waves. Wind shaping rocks in Moab, ocean waves wearing away California’s coast, and the Nile carrying and depositing sediment are all natural processes. Agriculture is a human activity that changes the landscape, so the best answer is B, “Agriculture in Nebraska changes the local landscape.”

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