asked 79.8k views
1 vote
It took approximately ________ years for oxygen to become a large component of earth's atmosphere

asked
User JRI
by
7.8k points

1 Answer

4 votes
1 billion years for oxygen to become a large component of Earths atmosphere
answered
User Euccas
by
7.3k 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.