Question

what is major component of air​

Answer 1

Answer:

The composition of air consists of three key components of air, namely

Nitrogen (78%),

Oxygen (21%),

Argon (1%),

Carbon-di-oxide (0.03%) and

water vapor.

Air also has some other gases but they are in very minute percentage.

Answer 2

Answer:

By volume, dry air contains

78.09% nitrogen,

20.95% oxygen,

0.93% argon,

0.04% carbon dioxide,

and small amounts of other gases.

Air also contains a variable amount of water vapor, on average around 1% at sea level, 0.4% over the entire atmosphere.