Biology
Class 9
What is the composition of air?
Which gases matter most for life?
1 answers
50 votes
1 Answers
uniboardhub
2 weeks ago
Air mainly contains nitrogen, oxygen, carbon dioxide, and water vapour.
Join the Discussion
Share your knowledge and help others learn by answering this question.
Help students understand complex topics
Build your reputation as an expert
Contribute to the learning community
Study Materials
Access comprehensive notes, guides, and resources to excel in your studies
Explore Materials
Free Resources
PDF Downloads