Geography, asked by Khalil7511, 9 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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