Read the sentence. _[blank]_ and _[blank]_ are two methods of land use that are more common than cropland. Which best completes the sentence? A) Railroads, deserts
B) National parks, mines
C) Pastures, forests
D) Urban areas, rangeland

answer; ///i believe that the correct answer is (d); ///

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.

so whats the answer