But heat is not required for the process. This chemical reaction can occur at extremely low temperature. A spark is not the same as heat. Heat is not an input to the chemical equation, it is an output.
??
What qualifies as heat? Are there cold sparks? I can light gasoline when its 20 below, but I can't do it without a spark that has a much higher temperature?
Maybe I'm out of my element here, but does't a spark have to be hot?