Question

what are fuels??????????​

Answer 1

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A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work.

Hᴏᴘᴇ Tʜɪs Hᴇʟᴘs Yᴏᴜ

Answer 2

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Definition of fuel is any substance that can provide heat and produce energy when it is burned. This energy that releases is generally in the form of chemical energy or heat energy. The recent invention of nuclear technology means now even nuclear energy may be released due to nuclear fission or fusion.

hope it helps you mate :)