• Question: Why are so many things useable as fuel? I mean to say, coffee could be used as fuel. Could.. umm... biscuits?

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      Asked by curlybrace to Rhod, Chia-Yu on 20 Jun 2013. This question was also asked by datdoan.
      • Photo: Chia-Yu Lin

        Chia-Yu Lin answered on 20 Jun 2013:


        When the organic stuff are burned, chemical bonds are broken and release heat, which can be used as the energy.

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