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प्रश्न
State whether the following is true or false.
The earth’s atmosphere contains 99 per cent oxygen, which is essential for life.
पर्याय
True
False
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उत्तर
False
Correct : The earth’s atmosphere contains 21% per cent oxygen, which is essential for life
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संबंधित प्रश्न
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The two forms of oxygen found in the atmosphere are
