Question

flow chart of uses of oxygen​

Answer 1

Answer:

1. oxygen os life gas of human and animal

2.plant also take oxygen in night

3. combustion is also take place because

4. if oxygen is not there is no co2. if there is no co2 plant died and no life possible

Answer 2

Answer:

1. Oxygen is gas we can breadth.
2. Oxygen gas is realised by the plants.
3. It is needed in breathing.
4. Without oxygen our life is not possible.