Question

what is fuels??_____________%_%

Answer 1

Answer:

a fuel is a substance which gives energy during combustion a fuel can contain hydrogen and carbon

Explanation:

fuel is a substance which is made to react other substance which give heat or nuclear energy as per our requirement

Answer 2

Answer:

here's the answer:-

⇨★It is the combustible matter used to maintain fire, as coal, wood, oil, or gas, in order to create heat or power. something that gives nourishment; food. an energy source for engines, power plants, or reactors: Kerosene is used as jet engine fuel.