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loris [4]
4 years ago
7

For fuel to be useful, energy must be released A.as heat or light B.in a controlled way C.contimuously D.over a long period of t

ime
Biology
2 answers:
Aloiza [94]4 years ago
8 0
I think it's B. but not sure
Serggg [28]4 years ago
5 0

Answer:

B.in a controlled way

Explanation:

Fuels are all chemicals that, when reacting with oxygen (O2), undergo a chemical phenomenon called combustion, releasing a certain amount of energy in the form of heat. This energy must be released in a controlled manner, avoiding accidents and waste.

Every burning of a fuel is an exothermic (heat-releasing) chemical reaction, but the products that originate always vary according to the fuel used. Fuels can generally come from a variety of sources, such as animal, vegetable, water hydrolysis or waste. Regardless of origin, for fuel to be useful, energy must be released in a controlled manner.

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