Question

the percentage of nitrogen by volume present in air is​

Answer 1

78 Percent

The percentage of nitrogen by volume present in air is 78 percent

Answer 2

Answer:

78 percent

Explanation:

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