Geography, asked by Khalil7511, 11 months ago

Which is the important gas used by human beings for breathing?
(a) Nitrogen
(b) Carbon dioxide
(c) Oxygen
(d) Sodium chloride

Answers

Answered by dharshini2883

6

Answer:

c) oxygen

hope you got the answer

Answered by gafurbhai

3

the important gas is is

oxygen

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