Question

why is Oxygen called a gas give two reasons
​

Answer 1

Answer:

It neither has settled volume nor settled shape. 2. Particles of gas are allowed to move anywhere. Oxygen is the base of our life.We all are living because of Oxygen.The oxygen is required both by animals and human beings.Plants inhale carbondioxide and give out Oxygen.

Explanation:

Answer 2

oxygen called gas because it is released by trees