Question

what is the composition of air​

Answer 1

Answer:

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, and 0.4% over the entire atmosphere.

Explanation:

thank you

Answer 2

Answer:

78% nitrogen, 28% oxygen and 0.01% carbon dioxide, helium and other gases

Explanation:

Air is a mixture of gases.It mixes with 1000 and 1000 million gases..We even don't know which gases are going inside our body.