Fuel is NOT an element that must be present for a fire to occur. Hence, option C is correct.
What is fuel?
The substances which on burning produce heat energy are called fuels.
The 3 things a fire needs are heat, fuel and oxygen.
These three elements work together to help a fire start and take over.
However, if any of the three elements are removed from a fire, then it will extinguish and no longer pose a threat.
Hence, option C is correct.
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