2.Name the gas that all animals breathe in to remain alive. (A) Oxygen(B) Carbon dioxide(C) Hydrogen(D) Nitrogen(E) All of theseIf someone will Answer fast and Correct they will mark as brainlist.

2.Name the gas that all animals breathe in to remain alive. (A) Oxyg

1.	2.Name the gas that all animals breathe in to remain alive. (A) Oxygen(B) Carbon dioxide(C) Hydrogen(D) Nitrogen(E) All of theseIf someone will Answer fast and Correct they will mark as brainlist.
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 hope it will help you dear.. .if you like the answer please mark me as a brainliest dear please......... please FOLLOW me and complete my TARGET of 300 followers please guys just follow me....