¿Cómo los descomponedores llevan acabo sus procesos vitales?

Which sentence best expresses the differing opinions of these two book reviews?

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Wich organism obtains its energy from dead or decaying matter