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प्रश्न
How is oxygen naturally renewed in air ?
टीपा लिहा
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उत्तर
All living beings use atmospheric oxygen in breathing and burning of fuels and in the formation of oxides of nitrogen. Yet amount of oxygen in the air remains more or less constant. This is because green plants return oxygen to the atmosphere by the process of photosynthesis.
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Properties of Oxygen
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
