0
Describe how did oxygen come to make up to 21 percent of earths present atmosphere?
Updated: 9/26/2023
Wiki User
∙ 7y agoWant this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 ptsQ: Describe how did oxygen come to make up to 21 percent of earths present atmosphere?
Write your answer...
Submit
Still have questions?
Continue Learning about Earth Science
What is 78 percent of earths atmosphere composed of?
Nitrogen makes up about 78 percent of Earth's atmosphere.
What gases were present in earths today atmosphere?
Nitrogen
Approximately 20 percent of the earths atmosphere is composed of?
oxygen
Which element makes up 78 percent earths atmosphere?
Nitrogen
What is the gas that makes up twenty one percent of earths atmosphere?
Oxygen.
Related questions
What percent of earths atmosphere is oxygen?
97%
What is 78 percent of the earths atmosphere?
nitrogen
What is 78 percent of earths atmosphere composed of?
Nitrogen makes up about 78 percent of Earth's atmosphere.
What gases were present in earths today atmosphere?
Nitrogen
What molecule was not present in early Earths reducing atmosphere?
nitrogen
What makes up 4 percent of earths atmosphere?
argon
What element composes about 78 percent of your earths atmosphere?
Nitrogen does
Approximately 20 percent of the earths atmosphere is composed of?
oxygen
What element in earths atmosphere was not present in the far past but is present now?
The element "Oxygen".
Which gas exist in the highest concentration in the earths present atmosphere?
Nitrogen is about 79% of the Earth's atmosphere.
What makes up nearly 1 percent of the atmosphere?
Argon makes up about .93 percent of the Earths atmosphere. Hope this helps! (:
Which element makes up 78 percent earths atmosphere?
Nitrogen
Copyright ©2024 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.