asked 146k views
0 votes
What makes up 21 percent of the earths atmosphere

2 Answers

2 votes
21% oxygen.................................
answered
User Omar Abdelrazik
by
7.8k points
5 votes
the answer is 21% oxygen,
answered
User Mark Nguyen
by
8.7k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.