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1 vote
Which of the following produced most of the oxygen that is found in the atmosphere today?

A living organisms
B outgassing
C condensation
D photodissociation
My gut is telling me B but I could be wrong...

User Nikan
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2 Answers

4 votes

Answer:

The answer is A living organisms

Step-by-step explanation:

4 votes
Living Organisms produce most of the oxygen because when we breath out carbon it turns into Oxygen.
hope this helps
User Lukeforehand
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