Which of the following is the most abundant in total volume within the atmosphere?
Answer Details
The correct answer is nitrogen. Nitrogen makes up about 78% of the Earth's atmosphere, which means it is the most abundant gas in terms of total volume. Oxygen is the second most abundant gas, making up about 21% of the atmosphere, and the remaining 1% consists of other gases such as argon, carbon dioxide, neon, helium, and hydrogen.