Hot Student Stories
top-5-grammar-and-spelling-checkers-to-rock-in-2019

Most of Earth's dry air is made up of A. carbon dioxide and oxygen. B. nitrogen and argon. C. nitrogen and oxygen. D. oxygen and argon.

Victoria Fowler

in Geography

follow
followin
1 answer
6 views

1 answer


Melissa Norris on January 11, 2018

The answer is C. the nitrogen and the oxygen. 78℅ of nitrogen and around 21℅ oxygen domain of the majority of the dry air.


Add you answer