lydiallove lydiallove

13-12-2016
Chemistry

contestada

Which of the following substances is an element? A. carbon (C) B. water (H2O) C. methane (CH4) D. brass (Cu + Zn)

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Аноним Аноним

13-12-2016

The Answer is Carbon.

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13-12-2016

You answer is D. Brass

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