What necessary information is missing from this formula page? t-time V = d/t d-distance V = distance/time V-velocity a. C. Numeric values b. The equivalent of V The meaning of v None of these d. Please select the best answer from the choices provided OA OB ОС OD

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.

the answer is 100% density i've answered this question before and done the quiz myself.