問題詳情
6.下列有關地球的敘述,何者正確?
(A)地球形成至今約經過六億年
(B)地球表面大部分被水或冰覆蓋
(C)地球的地殼部分主要由鎳、鐵所組成
(D)地球的核心部分是矽、鋁氧化物等較輕物質構成。
(A)地球形成至今約經過六億年
(B)地球表面大部分被水或冰覆蓋
(C)地球的地殼部分主要由鎳、鐵所組成
(D)地球的核心部分是矽、鋁氧化物等較輕物質構成。
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
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