Question

Why do living organisms use oxygen?​

Answer 1

Answer:

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Explanation:

Living ornganisms use oxygen because it is used for respiration. and oxygen is also important to alive .it is very inportant gas for all

Answer 2

all the living organism need oxygen for many reasons like:

•plants prepare their food with the help of oxygen

and humans cannot exist without oxygen and that's why all the living organism are directly or indirectly on oxygen for their food

•oxygen is a gas which helps a living organism to breath .