Earth Science And Geology Practice Exam

The removal and transport of sediment by flowing water is called?

Erosion by Streams Lithification Lahars Subduction

Correct Answer:

Erosion by Streams

Explanation:

Erosion by streams is the process where flowing water removes and transports sediment. As water moves, it has enough energy to pick up particles from the bed and banks, carrying them downstream either in suspension, along the bottom, or by bouncing and rolling (saltation). This continuous removal and relocation of material shapes river valleys and other landscapes. Lithification is the transformation of loose sediment into rock, not its transport. Lahars are volcanic mudflows, a specific hazardous flow with water and volcanic debris. Subduction is a tectonic plate process, not sediment transport by water. So the term that best fits “the removal and transport of sediment by flowing water” is erosion by streams.

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