Social Sciences, asked by kirankhan72, 2 months ago

21. Which is the second most plentiful gas in the air?
a. Nitrogen
Ob. Ozone
c. Oxygen
O d. Carbon dioxide

Answers

Answered by rikon

0

Answer:

oxygen

Explanation:

It is about 20.9-21% in the air

While nitrogen is the most plentiful gas in the air.

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