how much oxygen is present in atmosphere?
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Verified answer
The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
plz Mark as Brainlist
Explanation:
21% of oxygen is present in the air
hope it helps
mark me as a brainlist
thankyiu