Answer:
Nitrogen (N2)
Oxygen (O2)
Argon (Ar)
Carbon dioxide (CO2
Step-by-step explanation:
By far, the most abundant gas in the Earth's atmosphere is nitrogen, which estimates for about 78% of the volume of dry air. Oxygen is the following most plentiful gas, present at levels of 20 to 21%. next comes Argon which contains 0.934% of the mass of dry air, and then carbon dioxide consists of 0.0314% of air's mass