Description : The percentage of Nitrogen in Air is - (1) 0.94 (2) 0.03 (3) 78.03 (4) 85.02
Last Answer : (3) 78.03 Explanation: By volume, thy air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1%.