The major uses of oxygen are:
(𝐢) It is necessary for respiration in the living beings.
(𝐢𝐢) Oxygen is essential for combustion, i. e., burning.
The major uses of oxygen are:
(𝐢) It is necessary for respiration in the living beings.
(𝐢𝐢) Oxygen is essential for combustion, i. e., burning.