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प्रश्न
How do astronauts breathe when they go beyond the earth’s atmosphere?
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उत्तर
It is because nitrogen tires hold pressure longer as compared to compressed air. Nitrogen gas in the tire escapes more slowly than compressed air does.
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संबंधित प्रश्न
A fuel when used releases least amount of pollutants in the air.
What do you understand by the term polluted air?
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A process which removes carbon dioxide from the air.
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Nitrogen
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Carbon dioxide
