answersLogoWhite

0

Through oxygen cycle.

Humans and animals take in oxygen and give out carbon dioxide.

Plants take in carbon dioxide and give out oxygen.

This ways the oxygen is circulated in the atmosphere.

User Avatar

Wiki User

15y ago

Still curious? Ask our experts.

Chat with our AI personalities

EzraEzra
Faith is not about having all the answers, but learning to ask the right questions.
Chat with Ezra
BeauBeau
You're doing better than you think!
Chat with Beau
ProfessorProfessor
I will give you the most educated answer.
Chat with Professor

Add your answer:

Earn +20 pts
Q: How is the oxygen in the atmosphere replaced?
Write your answer...
Submit
Still have questions?
magnify glass
imp