in severe cold weather, a family burnt wood in the room during the night by keeping the windows close. after sometime they felt suffocated. they immediately opened the windows and got relief. what did actually happen?
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Fire needs oxygen to burn and we also need oxygen to live. If burning of wood takes place continuously then the oxygen level in the closed room will decrease because there is no supply of air from the outside environment. As a consequence we feel suffocated and we open the doors and windows to get relief so that some amount of oxygen come inside the room and we can breathe in fresh air.
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