Question

What is the most abundant gas in the Earth's atmosphere?​

Answer 1

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carbon dioxide

By far the predominant gas is carbon dioxide, making up 95.9 percent of the atmosphere's volume. The next four most abundant gases are argon, nitrogen, oxygen and carbon monoxide.

Answer 2

Answer:

Nitrogen

Explanation:

• Nitrogen has been the most prevalent occurs naturally gas, accounting for around 78 percent of air.
• At around 21%, oxygen seems to be the second most prevalent gas. Argon (Ar) is the 3rd most common gas, accounting for 93 percent of the total.
• Nitrogen has been the most abundant component of the atmosphere. It is responsible for 78 percent of the atmosphere.
• The next element is oxygen. It makes up a quarter of the atmosphere.
• Argon is the third most common gas. It occupies 0.9 percent of the earth's surface.