ENG v-36

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• acidic sour; having a pH less than 7
• combustion the process of burning
• carbon the chemical element C, occurs in charcoal, soot, and coal
• decompose to break down something into small pieces(its components)
• drought a long period of very little rain
• emit to give off
• emission the act of throwing out, giving off something of itself
• evaporate to change into a gas from a liquid
• fossil remains of an animal or plant found in the ground, like coal
• fuels what is needed to provide energy by burning it
• irreversible incapable of being reversed or taken back
• self-ignite to start burning by itself

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