Question

The natural solid fule is​

Answer 1

Answer:

Solid fuel refers to various forms of solid material that can be burnt to release energy, providing heat and light through the process of combustion. ... Common examples of solid fuels include wood, charcoal, peat, coal, Hexamine fuel tablets, wood pellets, corn, wheat, rye, and other grains

Answer 2

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The natural solid fuel is Coal.