True or False: Fuel gases can function both as the initial fuel and as a fuel source for the fire.

Fuel gases have the unique ability to serve as both an initial fuel source for a fire and a continuation of fuel as the fire develops. This characteristic is due to the nature of gases such as propane or natural gas, which can ignite and sustain combustion when mixed with the appropriate amount of air and exposed to an ignition source.

At the onset of a fire, these gases can be the primary energy source that starts combustion. Once ignited, they can continue to release energy, thereby sustaining the fire. Additionally, if the conditions are right, fuel gases can also be released from other burning materials, forming a complex interaction where gas acts as both an initiator and a sustaining fuel.

This dual role underscores the importance of understanding how different fuels, particularly gases, behave in fire scenarios, and informs fire investigation techniques.