- Books Name
- CBSE Class 6 Science Book
- Publication
- Param Publication
- Course
- CBSE Class 6
- Subject
- Science
Composition of air
Air is a mixture of several gases, water vapour and fine dust particles. A human being respires about 22,000 times everyday and takes in about 16 kg of air. Air contains mainly nitrogen, oxygen and smaller amounts of argon, carbon dioxide, water vapours and traces of helium, neon, krypton and xenon
.