In addition nitrogen, oxygen and carbon dioxide the other principle gas present in atmosphere is

Solution (By Examveda Team)

Our atmosphere is a mixture of gases. Although its main constituents are nitrogen (78%) and oxygen (21%). It also contains gases like carbon dioxide, ozone, argon and traces of other neon, helium, methane, krypton, and hydrogen. Undoubtedly the role of ozone in our atmosphere is inimitable.