asked 201k views
4 votes
The balance of oxygen in Earth's atmosphere is maintained primarily by which two processes?

A.
photosynthesis and respiration


B.
outgassing and photosynthesis


C.
lightning and fixation by bacteria


D.
the formation of carbonate rocks and outgassing

1 Answer

4 votes

Answer:

D.the fornation of carbonate roack and outgassing

answered
User Rico Herwig
by
8.8k points

Related questions

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