5. The value of g in the British system is 32 ft/sec2. The unit of force is pounds. The unit of mass is the slug. What would be the weight of a 160 pound mass in units of slugs.​

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.