5. What are the forms of elemental carbon?
(A) Graphite, diamond, and buckminsterfullerene.
(B) Graphite, diamond, and carbonite.
(C) Diamond, buckminsterfullerene, and carbonite.
(D) Graphite, buckminsterfullerene, and carbonite.
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統計: 尚無統計資料
統計: 尚無統計資料