Question

What is the composition of the atmosphere?

Answer 1

The atmosphere is composed of several odourless, tasteless, colourless gases. The cover of the air that extends to a height of around 1,600 kilometres from the Earth's surface is known as the atmosphere. The composition of the air in the atmosphere is as follows:

• Nitrogen - 78%
• Oxygen - 21%
• Argon - 0.93%
• Carbon dioxide - 0.03%
• Water vapour
• Others gases like argon, helium and ozone