Question

You might have heard that when the clothes of a person catch fire, the person is covered with a blanket to extinguished fire. Why?

Answer 1

to stop the oxygen supply which helps in combustion

Answer 2

By covering the person with a blanket the fire is deprived of getting more oxygen thus it is extinguished. It is oxygen that propels fire hence upon being denied a Chance to acquire more oxygen puts it off.