Yes, oxygen as well as heat are necessary in the making of yogurt.
The antibiotics prevent the growth of the bacteria that is needed to make the milk become yogurt.
Bacteria is needed to make cheese, yogurt, and insulin.
Eating
Iron
Heat fuel and oxygen
Food and Oxygen
no bacteria are used to make yogurt
Water does not need to react with oxygen to make water!
There is no atmosphere on the moon and no water.
Oxygen is the gas needed to make fire. It supports the combustion process by reacting with the fuel to produce heat and light.
Milk + Bacteria = Yogurt
That is the element, "Oxygen".