阿摩線上測驗
40. Which of the following is NOT necessary for the composting process?
(A) Air
(B) Flame
(C) Primary decomposers
(D) Secondary decomposer
答案：登入後查看
統計： A(15), B(313), C(5), D(7), E(0) #2751895
統計： A(15), B(313), C(5), D(7), E(0) #2751895
