This gas is oxygen.
Oxygen is the second most abundant gas in Earth's atmosphere, making up about 21% of the air we breathe.
Nitrogen is the first abundant gas in our atmosphere.
This gas is oxygen: 20,946 %.
Oxygen
Helium.
The second most abundant gas in the Earth's atmosphere is oxygen, which makes up about 21% of the gases in the atmosphere.
Oxygen, which is about 21% while nitrogen is the most abundant at 78%.
the most abundant gas of the atmosphere is nitrogen with high percentage 78.09
oxygen --- I started to leave this because it is the wrong answer.
Oxygen is the second most abundant gas in Earth's atmosphere, making up about 21% of the air we breathe.
Oxygen at 20.9%
The second most abundant gas in Earth's atmosphere is oxygen, making up about 21% of the air we breathe.