mga pangyayari sa iyong buhay na sumubok sa kakayahan Kong hanapin ang pinakamabuting pagpapasiya mula sa gitna ng pagpipilian​

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.

feral cats are estimated to eat tens of millions of native animals each night in australia