- 21.50
- 22.94
- 21.94
- 20.94
- d
-
The composition of air is based on four element.
Oxygen 21%
Nitrogen 78%
Argon 0.93%
Carbon Dioxide 0.04%
The composition of air is based on four element.
Oxygen 21%
Nitrogen 78%
Argon 0.93%
Carbon Dioxide 0.04%