Question

2.Name the gas that all animals breathe in to remain alive.
(A) Oxygen
(B) Carbon dioxide
(C) Hydrogen
(D) Nitrogen
(E) All of these

If someone will Answer fast and Correct they will mark as brainlist. ​

Answer 1

Answer:

they are also a living organisms like us and oxygen is equally important for animals just as humans

So I think your answer will be option a. Oxygen

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Answer 2

Explanation:

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