Question

how many percentage of nitrogen is present in the atmosphere​

Answer 1

78%

Step-by-step explanation:

It's a mixture of different gases. 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

Question:

• how many percentage of nitrogen is present in the atmosphere

Answer:

• Atmosphere is a layer of gasses that surrounds the earth. It is made up of 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide and a very small percentage of with water vapor. It protects the earth from the harmful UV rays of the sun.