Science, asked by Devkii2354, 1 year ago

वायुमण्डल में आयतन के अनुसार ऑक्सीजन का अनुपात है-
(अ) 78.09%
(ब) 20.95%
(स) 0.03%
(द) 0.0006%.

Answers

Answered by pawani23

0

Answer:

20.95%

hope it helps you ☺☺

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