Questions


September 2022 1 1 Report
8. Which of the following makes up 21 percent of our atmosphere?

A. carbon dioxide B. oxygen C. nitrogen D. water vapor​

Answers & Comments


Add an Answer


Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Helpful Social

Copyright © 2024 EHUB.TIPS team's - All rights reserved.