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* '''[[Charcoal]]''' is a lightweight black carbon residue produced by strongly heating [[wood]] (or other animal and plant materials) in minimal oxygen to remove all water and volatile constituents. | * '''[[Charcoal]]''' is a lightweight black carbon residue produced by strongly heating [[wood]] (or other animal and plant materials) in minimal oxygen to remove all water and volatile constituents. | ||
* '''[[Fire]]''' is the rapid oxidation of a material (the [[fuel]]) in the exothermic chemical process of combustion, releasing heat, light, and various reaction products. Fire requires the completion of the fire triangle of [[oxygen]], [[heat]], and [[fuel]]. | * '''[[Fire]]''' is the rapid oxidation of a material (the [[fuel]]) in the exothermic chemical process of combustion, releasing heat, light, and various reaction products. Fire requires the completion of the fire triangle of [[oxygen]], [[heat]], and [[fuel]]. | ||
* '''[[Water]]''' is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, despite providing neither food, energy, nor organic micronutrients. | |||
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Revision as of 11:31, 18 October 2022
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