Aluminum, oxygen and carbon are each a(n)?

👨🏻‍🏫 學術台化學

[匿名]

2016-11-02 6:46 am

回答 (2)

不用客氣

2016-11-02 7:11 am

Aluminum, oxygen and carbon are each an element.

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[匿名]

2016-11-02 6:46 am

j

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