![]() ![]() Fire has been used by humans for cooking, generating heat, signaling, and propulsion purposes. The positive effects of fire include stimulating growth and maintaining various ecological systems. Fire is an important process that affects ecological systems across the globe. Fire in its most common form can result in conflagration, which has the potential to cause physical damage through burning. Depending on the substances alight, and any impurities outside, the color of the flame and the fire's intensity might vary. ![]() ![]() If hot enough, the gases may become ionized to produce plasma. The flame is the visible portion of the fire and consists of glowing hot gases. Slower oxidative processes like rusting or digestion are not included by this definition. Fire is the rapid oxidation of a material in the chemical process of combustion, releasing heat,light, and various reaction products. ![]()
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