If the oxygen level drops below what approximate concentration in a confined space, will a fire struggle to maintain itself?

Answer

Below 16%

If the oxygen level drops too low, often cited as below 16% in a confined space, the chemical reaction cannot be sustained, and the fire may extinguish itself.

If the oxygen level drops below what approximate concentration in a confined space, will a fire struggle to maintain itself?

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Requirements of Combustion | Middle School Science - YouTube

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