Explain Erosion Rate Effects Practice Test

Amir compares bare soil and grass-covered soil on the same slope. After one storm, bare soil loses 10 cm of topsoil, but grass-covered soil loses 1 cm. Why does erosion rate matter for landscape changes?

Chen studies wind on a sandy field: strong wind moves a dune 30 cm in 3 days, but a gentle breeze moves it 3 cm in 3 days. What happens when erosion occurs at a faster rate?