Explain with an activity that oxygen is present in air

1.	Explain with an activity that oxygen is present in air
Answer» Answer: Take a candle and fix it on a table. The candle is LIGHTED. The candle will continue to burn due to CONTINUOUSLY available fresh air PROVIDING the required OXYGEN for COMBUSTION.

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Answer:

Take a candle and fix it on a table. The candle is LIGHTED. The candle will continue to burn due to CONTINUOUSLY available fresh air PROVIDING the required OXYGEN for COMBUSTION.

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Explain with an activity that oxygen is present in air​

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Explain with an activity that oxygen is present in air