Explain the roles of and relationships among producers, consumers, and decomposers in the process of energy transfer in a food web. ( asap)

A producer is like grass, then consumers like a zebra will eat the grass, and wen the zebra dies its body breaks down and helps more grass grow. That cycle keeps going over and over, it never ends.

answer; /// i believe that the correct answer is (50%);

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.