Science, asked by manhalali21, 3 months ago

What do we need to breathe

1)Helium
2)Nitrogen
3)Oxygen
4)Carbon Dioxide

Answers

Answered by berar43

1

Answer:

3) oxygen.

Explanation:

please mark me brainliest.

Answered by k11867

1

Answer:

oxygen

Explanation:

because if we inhale other gases then it is harmful to health

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