Question

what are fuels? why are they important​

Answer 1

Answer:

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Explanation:

The energy produced by burning fuel has many applications, such as powering vehicles, ships, and airplanes as well as providing electricity for homes and buildings. Some common types of fuels are petro fuel, gas oil, diesel fuel, fuel oils, aviation fuel, jet fuel, and marine fuels.

Answer 2

Answer:

Material such as coal, gas, or oil that is burned to produce heat or power.

Explanation:

Fossil fuels are of great importance because they can be burned (oxidized to carbon dioxide and water), producing significant amounts of energy per unit mass. The use of coal as a fuel predates recorded history.