Early naturalists found fossils of the same species of plants and animals located on continents that are separated by thousands of miles of oceans. which geological theory explains this phenomenon? a) natural drift b) natural selection c) continental drift d) continental selection

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.