Question

what is oxygen required for in a living organisms​

Answer 1

Explanation:

It is vital that living things respire to get the oxygen for living cells to function. Without air, there is no life. Plants use Carbon Dioxide (together with sunlight and water) to produce energy and give out Oxygen as a by-product. This oxygen is what almost all animals need to survive.

Answer 2

Answer:

oxygen is a gas or we could say an element