Question

combustion can take place in the presence of _____.​

Answer 1

Answer:

oxygen .........

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Answer 2

Answer:

Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel. There must be Fuel to burn. There must be Air to supply oxygen. There must be Heat (ignition temperature) to start and continue the combustion process.

Explanation:

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