Question

The ratio of nitrogen to oxygen in the air is approximately_​

Answer 1

Answer:

21 percent

Explanation:

Hope it helps

Answer 2

αиѕωєя❤:-

21 percent

21 percentThe 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.