Two marbles of equal size and mass were placed on ramps of equal length and height. Marble A traveled a distance of 15 cm before stopping. Marble B traveled a distance of 8 cm before stopping. Explain why Marble A would have traveled farther than Marble B based on the diagrams.

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

condensation. good luck!