The roots of the aquatic plant hydrilla are poorly developed and lack xylem tissue. which is an appropriate justification for this?

option number one would be youre best option

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.