Question

What is the composition of gases in the atmosphere?

• A. Oxygen 78%, Nitrogen 21% and Other gases 1%
• B. Nitrogen 77%, Oxygen 22% and Other gases 1%
• C. Nitrogen 67%, Oxygen 33% and Other gases 1%
• D. Nitrogen 78%, Oxygen 21% and Other gases 1%

Answer 1

The correct option is D Nitrogen 78%, Oxygen 21% and Other gases 1%

Nitrogen and oxygen make up most of the part of our atmosphere. The composition of gases in the atmosphere are: nitrogen is about 78% and oxygen is 21% and the remaining 1% mostly has argon, carbon dioxide and other gases like hydrogen, helium, neon, krypton, xenon, methane, ozone and water vapour. Apart from these gases, tiny dust particles are also present in our atmosphere.