Multiple choice

Which of the following gases hold maximum concentration in the atmosphere?

  1. Water vapours

  2. O2 gas

  3. N2

  4. Inert gases

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The earth's atmosphere near the surface is composed primarily of Nitrogen and Oxygen. Together, the two comprise about 99% of the gas in the atmosphere. Percentage of Nitrogen in the atmosphere is about 78.084% which is the maximum amount.