biosphere

Technology

Understanding the Amount of Nitrogen in Earth’s Atmosphere

Nitrogen: The Dominant Gas in the Atmosphere Nitrogen is the most abundant gas in the Earth’s atmosphere, accounting for about 78% of the total volume. This means that nearly four-fifths of the air we breathe is made up of nitrogen molecules (N2). Nitrogen is a colorless, odorless, and tasteless gas that is chemically inert and relatively unreactive under normal conditions.…