Mathematics, 28.10.2019 20:31 MadisonElle
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
Answers: 1
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The balance of oxygen in earth's atmosphere is maintained primarily by which two processes?
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