Question

Relative proportion of nitrogen and oxygen???

Answer 1

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.

Answer 2

Answer:

Approximately 4:1 nitrogen to oxygen. The atmosphere is about 78% nitrogen and 21 % oxygen. The remaining 1% is primarily argon, with about .1% being carbon dioxide, water vapor, and whatever else happens to be in the air at any given time.