Which of the following accurately describes rill erosion? a. a raindrop hits the ground and displaces the surrounding soil. b. fast-moving water from heavy rainfall forms deep channels. c. runoff from heavy rainfall forms narrow, shallow channels. d. runoff removes soil and loose sediment in thin layers.

Option (C)

Explanation: Rill erosion is a type of soil erosion in which the rain water flows over a relatively gently sloping land. They form thin canal like, short-termed shallow channels. It forms due to the low infiltration capacity of the soil and is often considered to be the middle stage between a sheet and a gully erosion.

Thus, the correct answer is option (C).

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