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Updated: October 23, 2026
This is the process of combustion. Observations and experiments on decaying wood have been made, showing that the amount of heat developed by the combustion of a mass of wood, though much more intense for a time, is the same in amount as that which is set free by the slower process of re-oxidation by gradual decay; both being the equivalent of the amount absorbed by the leaves from the sun, in the process of deoxidizing the carbon and hydrogen when the wood was formed.