Answer:
In the atmosphere contains nitrogen, oxygen, argon, carbon dioxide.
Step-by-step explanation:
According to NASA, the gases in Earth's atmosphere include:
Nitrogen = 78%
Oxygen = 21%
Argon = 0.93 %
Carbon dioxide = 0.04 %
Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapor.