CBSE BOARD X, asked by kirteesinghpatel, 11 months ago

4. Inspired air is rich in (oxygen/nitrogen).
5.The percentage of Oxygen gas in.
Do ja (21% / 78%)

Answers

Answered by TechnologKrish

5

Answer:

4. nitrogen

5.21%

please mark as brainiest

Answered by kartik9110

0

The oxygen part consists of 21 percent

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