Completar Frases Fill in the Blanks: Understanding Combustion and FlameVersión en línea Test your knowledge on combustion processes and flames in this engaging fill-in-the-blanks game! por Demetrius Sam Daniel 1 oxygen air itself fire Combustion is a chemical reaction in which a substance reacts with to produce heat and light . 2 arson fire burning combustio The process of burning paper , wood , or ethanol is also known as 3 Ethanol Coal Paper Candle is an example of a clean - burning fuel because it produces very little smoke . 4 fuel ethanol fire heat patience lightning The three components necessary for combustion are , oxygen , and .
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