Ascientist discovers a microscopic, unicellular organism with no nucleus. which of the following correctly describes the organisms a. the organism is a plant b. the organism is an animal c. the organism is a prokaryote d. the organism is a eukaryote

all of the above

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.