If any one element of the Fire Triangle is removed, the fire will stop.

• A. The fire intensifies
• B. The fire changes color
• C. The fire stops
• D. The fire consumes more fuel

Answer: (C)

Combustion needs three elements: heat to reach ignition, fuel to burn, and oxygen to sustain the chemical reaction. If you remove any one of these, the reaction can no longer continue and the flame goes out. Cooling the fuel below its ignition temperature stops burning, starving the flame of fuel leaves nothing to burn, and removing oxygen prevents oxidation from happening, so the fire dies.

Therefore, the fire stopping is the correct outcome when any element of the Fire Triangle is removed. The other effects—intensification, a color change, or burning more fuel—do not occur because the missing element halts the combustion process rather than fueling it.