Which is the following is the second most abundant gas in our atmosphere?

Answer 1

Oxygen is the 2nd most common gas in air.

Air composition (in % by volume and by moles):

• 79% Nitrogen
• 20% Oxygen
• 1% other gases (argon, carbon dioxide, water vapor etc.)

Answer 2

Oxygen, which is about 21% while nitrogen is the most abundant at 78%.

Answer 3

The second most abundant gas in the Earth's atmosphere is oxygen, making up about 21% of the air we breathe.

Answer 4

Oxygen. (air is about 79% nitrogen, 20% oxygen, and 1% other gases)

Answer 5

Oxygen is 2nd (at 21%). Nitrogen is the most abundant gas at 78%

Answer 6

It is oxygen about 21% the most abundant is nitrogen about 78%.

Answer 7

In the atmosphere: Oxygen

Answer 8

This gas is oxygen.

Answer 9

oxygen~ Apex

Answer 10

22