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उच्छ्वसनित वायु में CO2 की मात्रा होती है-

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in Science by (56.8k points)

उच्छ्वसनित वायु में CO2 की मात्रा होती है-

(क) 0.4%

(ख) 4%

(ग) 4.4%

(घ) 14.4%

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1 Answer

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by (56.8k points)

उत्तर- (ग) 4.4%.

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